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still some
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     In the political system,there are still some parts to be perfected in practice.
     在我国的政治生活实践中选举制度尚有某些需要完善之处。
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     But there are still some controversies of whether the overexpression of c yclin D1 exists in brain gliomas. This study was to determine the expression lev el of cyclin D1 in glioma tissues of human brain, and to analyze the relationshi p of cyclin D1 with the malignancy and prognosis of gliomas.
     但在脑胶质瘤中是否存在cyclinD1的过度表达尚有争论,本研究旨在检测人脑胶质瘤组织中cyclinD1的表达水平,探讨cyclinD1与脑胶质瘤恶性程度及预后的关系。
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     The B/S model is only suitable to the publishing of information,while there is still some difficulty in it's dealing with the online business; however,C/S model has accumulated a lot of application programs and information.
     B/S模式目前只适用于信息发布 ,对于在线事务处理应用尚有实质性困难 ,而 C/S模式已经积累了大量的应用程序和信息 ,因而 C/S模式与 B/S模式还将长期共存。
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     Epoxy (Ep) composites reinforced by multi-walled carbon nanotubes (MWCNTs) may combine the MWCNTs’ exceptional mechanical and electrical properties with the Ep’ anticorrosion, thermal stability and cohesiveness, and is considered to be one of the most promising research directions of application, but there are still some theoretical and experimental problems needed to be solved.
     由多壁碳纳米管(MWCNTs)增强的环氧树脂(Ep)复合材料,可以将MWCNTs优良的力学和电学性能与Ep的耐腐蚀、耐热性和粘结性等性能结合起来,是近几年发展起来的MWCNTs的一个重要的应用研究方向,但尚有许多理论和实验方面的问题有待解决。
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     and ③ there are still some problems in the application.
     ③使用尚有不尽如人意之处。
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  还有一部分
     Ten years passed, there are still some consumers have doubts on the safety of monosodium glutamate.
     时隔10多年,至今还有一部分消费者对味精的安全性存在疑虑。
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     legal relationship between students and colleges proved in fact a complicated social relation,among which related to civil contract, and still some related to administrative contract.
     高校与学生的法律关系其实是一种复杂的社会关系,其中主要是民事合同关系,还有一部分类似于行政合同(或行政契约)关系。
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  “still some”译为未确定词的双语例句
     In pace with the continuous improvement of science and technology, the figure design in our country is also changing continuously, the figure design in ancient times provides sufficient material for modern figure design, and also provides good and substantial foundation for today’s figure design, but to the future development of figure, there are still some problems worth to be studied.
     随着科学技术的不断进步,我国图形设计在不断的发生变化,古代图形设计为现代图形设计提供了发展所需要的充足养料,也为今天的图形设计打下了良好而坚实的基础,但就图形的未来发展而言,仍有一些问题值得研究。
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     Presently,the Qinghai-Tibet Railway has already been open to traffic,but there are still some problems on its transmission system.
     目前,虽然青藏铁路已经通车试运行,但其输电系统方面仍然存在不少问题。
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     RCS-9653 type automatic throw-in equipment of emergency power supply can be applied in substation bus arrangement under 220kV voltage class,however,in substations applied two-wire system,when mode of operation changed,there were still some problems that can’t meet the requirement.
     RCS-9653型备用电源自投装置可实现220 kV电压等级以下,不同电气主接线方式的变电站和发电厂内多种备用电源自投情况,但是,对于变电站电气主接线为双母线接线的变电站,当运行方式发生变化时,目前的RCS-9653型备用电源自投装置还存在一些问题,不能灵活地满足运行方式变化的要求。
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     There are still some medical constraints to image retrieval.
     在医学图像数据库中,研究基于内容的图像检索方法仍然存在着一定的医学约束。
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     Disperse of some data implies the lack of independence of the factors, there is still some uncertainty about the mechanism of fire foam yield stress.
     由于泡沫屈服应力的几个影响因素之间不独立,有关泡沫屈服应力的机理和影响因素还有不确定之处,因此,在现有实验条件下,无法建立理想的屈服应力与其影响因素关系的数学模型。
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  still some
The study shows that government has made some important changes after the signing of WTO agreement in 1994, but there are still some contentious issues that require attention.
      
However, there are still some differences in the simulated results compared with the reanalysis data.
      
However, there are still some discrepancies between the simulations and observations.
      
However, there are still some problems to be solved.
      
As a conclusion, the current technology of IEEE 802.11 MAC layer has still some challenges for automatic safety applications but it can provide acceptable QoS to driver assistance safety applications.
      
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The natural vegetation of Shantung Province, in the north temperate zone, is of the aestisilvae type. As the natural conditions vary in different parts of this province, the vegetation may be divided into the following four regions: 1. Alluvial plain of the Yellow River: This region is located at the northern part of this province. The saline soil is unfavorable for the growth of most plants. The following plants are characteristic: Tamarax chinensis, Apocynum venetum, Suaeda salsa, S. glauca, Artemisin capillaris,...

The natural vegetation of Shantung Province, in the north temperate zone, is of the aestisilvae type. As the natural conditions vary in different parts of this province, the vegetation may be divided into the following four regions: 1. Alluvial plain of the Yellow River: This region is located at the northern part of this province. The saline soil is unfavorable for the growth of most plants. The following plants are characteristic: Tamarax chinensis, Apocynum venetum, Suaeda salsa, S. glauca, Artemisin capillaris, Aeluropus littoralis, Miscanthus sinensis, Phragmites karka, Carex sp. etc.. 2.Western Shantung plain: This region is located at the western part of the province. Most of the land is under cultivation and the soil is rich in calcium. There is no forest. The common trees are Populus tomentosa, P. alba P. davidiana, Ulmus spp. etc., and the herbaceous plants are Cynodon dactilon, Digitaria sanguinalis, Echinochloa colonum, Imperata cylindrica, Chenopodium album, Convolvulus chinensis,Xanthium japonicum, Crypi saculeata, Scirpus maritimus etc.. Plants which grow in the lake district largely belong to Phragmites communis, Scirpus maritimus, Zizania latifolia, Euryale ferox, Trapa bispinosa etc.. 3.Central South hilly region: This region has mostly been transformed into farms for a long time. On the hilly region there are still some remnant forests. The important trees are Pinus tabulaeformis, Biota orientalis. Quercus acutissima, Q. variabilis, Betula chinensis, Tilia mongolica etc.. On account of calcareous soil in this region, Biota orientalis is found most extensively. Gramineae leads all other herbaceous plants in abundance. The following species such as Arundinella amomala, Bothriochloa ischaemum, Setaria viridis, Pennisitum flaccidum etc. have a wide distribution. 4. Shantung Peninsula: The common native plants in this region are Pinus densiflora, Quercus dentata, Q. acutissima, Robinia pseudoacacia, Acer mono etc.. Pious densiflora is a native plant which grows all over the hilly region. Herbaceous plants are mostly Thymus serpyllum, Setaria viridis, S. lutescens etc.. Due to the oceanic climate with higher precipitation and humidity, plants enjoy a more vigorous growth than those in other regions. There develops a richer flora, some even with warm temperate elements.

山东省之位置属于温带,植物分布为落葉闊葉林區,但在鲁中南及膠東區爲丘陵地带,落葉闊葉樹乃與針葉樹成混交林澑鶕∧谥匀粭l件,可将植物分布情况列為四區: 1.黃河冲積平原區:位於北部,為黄河三角州地帶,土壤含鹽分甚重,不宜於植物之生長。樹木只有檉柳、茶棵子等;草本以黄鬚菜、鹼蓬、茵陳蒿,獐毛、芒、蘆葦、黑三稜草等最為砇姟?2.魯西平原區:為西部之黄河冲積平原,多為農田,土壤含鈣甚多。區內無森林,常見之樹木有毛白楊、白楊、山楊、榆等?荼居泄费栏ⅠR唐、芒稷、白茅、藜、旋花、蒼耳、隱花草、荆三稜等。湖泊區域多蘆葦、荆三稜、蒲姜草、芡、菱等。3.魯中南區:為丘陵地區,平緩部分已闢為農田。山區有殘留森林,主要樹種為油松、侧柏、麻櫟、栓皮櫟、堅樺、椴等;土壤石灰質,側柏之繁盛為共特點。草本以禾本科為最多,常見的如野古草、白羊草、狗尾草、白草等,此外如細葉莎草、雞眼草、蚊子草等亦為砇姟?4.膠東區:在山東半島部份,主要樹種為赤松、洋槐、麻櫟、五角楓等,赤松自山麓至山上均有分佈,且為其鄉土,此乃本區之特徵;草本以蚊子草、狗尾草、金狗尾草為最多。在海灘地上少有高大樹木,常見樹種如洋槐、旱柳等均為栽培者,野生木本植物有酸棗...

山东省之位置属于温带,植物分布为落葉闊葉林區,但在鲁中南及膠東區爲丘陵地带,落葉闊葉樹乃與針葉樹成混交林澑鶕∧谥匀粭l件,可将植物分布情况列為四區: 1.黃河冲積平原區:位於北部,為黄河三角州地帶,土壤含鹽分甚重,不宜於植物之生長。樹木只有檉柳、茶棵子等;草本以黄鬚菜、鹼蓬、茵陳蒿,獐毛、芒、蘆葦、黑三稜草等最為砇姟?2.魯西平原區:為西部之黄河冲積平原,多為農田,土壤含鈣甚多。區內無森林,常見之樹木有毛白楊、白楊、山楊、榆等?荼居泄费栏ⅠR唐、芒稷、白茅、藜、旋花、蒼耳、隱花草、荆三稜等。湖泊區域多蘆葦、荆三稜、蒲姜草、芡、菱等。3.魯中南區:為丘陵地區,平緩部分已闢為農田。山區有殘留森林,主要樹種為油松、侧柏、麻櫟、栓皮櫟、堅樺、椴等;土壤石灰質,側柏之繁盛為共特點。草本以禾本科為最多,常見的如野古草、白羊草、狗尾草、白草等,此外如細葉莎草、雞眼草、蚊子草等亦為砇姟?4.膠東區:在山東半島部份,主要樹種為赤松、洋槐、麻櫟、五角楓等,赤松自山麓至山上均有分佈,且為其鄉土,此乃本區之特徵;草本以蚊子草、狗尾草、金狗尾草為最多。在海灘地上少有高大樹木,常見樹種如洋槐、旱柳等均為栽培者,野生木本植物有酸棗、舖地胡枝子等;草本植物多蘆葦、狗尾草等。此區氣候由於受篞笳{節,雨量與溼度亦較高,故植物生長較其他三區繁盛,種類亦較多,亞熱带植物之分布亦多於他處,尤以海邊低地為甚。在自然地理上,秦嶺、淮河一線是中國南北氣候和土壤的重要分界線,也是植物的重要分界線。但是從山東的植物分布上,可以知道這條線並不能絕然的将植物分為南北二部分,因為山東仍是一个過渡的地帶,許多南方植物在魯南及膠東沿海都有分佈,如黄檀、山胡椒、烏桖、厚朴、王蘭、木犀、黄楊、谜葉樹等多种。在另一方面,北方植物分佈至山東為其最南界限者如糠椴、遼珍珠梅、遼磯松、榛等;而赤松、蒙古機、蒙椴等則南达苏北之雲台山。由此可加,山東之植物分佈上,仍在秦嶺、淮河一線之範圍内,如以淮河來作為植物之南北分界線,则并不能完全符合實際情况,尤以膠東沿海低地,南方植物種類繁多,可與淮河流域相此。因此,此一分界线之東端似有北移之必要。山東植物之分佈乃由環境条件综合影響之結果,但在不同地区,各種因素之作用並不一致,由於地形、土壤、温度和水分等之区别而使植物分布不同。本文所举植物種类和分布地點都是從各項资料所得到,作者将其分為四區,並初步提出了這種分区的理由和形成不同分布的原因。但限於材料的不够完全和水平的淺薄,因此本文的內容很不充實, 只能作为令後进一步研究山东植物地理的基础,希望大家提出补充和指出不正确的地方,而使这一项工作能够顺利的完成。

In the application of dolomite to BOF slagmaking practice, lining life of BOF vessel has been much prolonged. However, there are still some problems encountered in actual practice. For example, the end slag is heavy with many lumps resulting in difficulty in operation; the building up of bottom and hearth of BOF vessel brings about a reduction in capacity; and the metal stuck up on the oxygen lance. In the present paper, the basic principles of using dolomite in BOF slagmaking are discussed and it is shown...

In the application of dolomite to BOF slagmaking practice, lining life of BOF vessel has been much prolonged. However, there are still some problems encountered in actual practice. For example, the end slag is heavy with many lumps resulting in difficulty in operation; the building up of bottom and hearth of BOF vessel brings about a reduction in capacity; and the metal stuck up on the oxygen lance. In the present paper, the basic principles of using dolomite in BOF slagmaking are discussed and it is shown that the amount of dolomite added for prevention of lining erosion depends on the rate of basic slag formation in the initial period of a heat. When the basicity of the initial slag increases rapidly, the amount of dolomite necessary to prevent lining erosion should be added less than that heat in which the basicity of the initial slag increases slowly. So problems mentioned above can be overcome without reduction of lining life.

在氧气转炉的造渣操作中采用白云石,使得转炉炉龄大幅度提高.但是,也发生一些问题,例如终渣成多块粘稠状使操怍困难、转炉炉底和炉缸堆积缩小使生产率降低,以及发生喷枪粘钢等等.在本文中讨论了使用白云石造渣的基本原理.并且指出,为了防止炉衬侵蚀所要加的白云石数量取决于吹炼初期形成碱性炉渣的速度.初期渣碱度增长迅速时,避免炉衬侵蚀所必需加的白云石数最要比初期渣碱度增长缓慢时少一些.因此通过措施加速初期渣碱度提高速度,可以降低白云石用量,从而可能克服上面提及的那些问题,而不降低炉龄.

A well preserved edentate skeleton discovered from the Upper Paleocene ofNanxiong,Guangdong,in South China in 1973,is here described to represent a newprimitive form of xenarthran.The systematic position and zoogeographical bearings ofthe new form are briefly noted.Family Ernanodontidae fam.nov.Diagnosis:See Genus.Genus Ernanodon,gen.nov.Type species:Ernanodon antelios,sp.nov.Diagnosis:Size of a small dog,skull robust and relatively broad;brain casesmall,muzzle short and facial deep;sagittal crest strongly developed;premaxillae...

A well preserved edentate skeleton discovered from the Upper Paleocene ofNanxiong,Guangdong,in South China in 1973,is here described to represent a newprimitive form of xenarthran.The systematic position and zoogeographical bearings ofthe new form are briefly noted.Family Ernanodontidae fam.nov.Diagnosis:See Genus.Genus Ernanodon,gen.nov.Type species:Ernanodon antelios,sp.nov.Diagnosis:Size of a small dog,skull robust and relatively broad;brain casesmall,muzzle short and facial deep;sagittal crest strongly developed;premaxillae notin contact with nasals and separated from the latter by a small septomaxilla;orbitalprocess prominent;postglenoid process large and transversally elongate;no anteriorpalatine foramina;pterygoid large;with postzygomatic foramen;ossicle bulla notobservable;the part of the skull behind post-glenoid very short and transversally broad.Mandibular body robust and horizontal ramus deep;condyle of mandibule large andtransversally elongate.Dental formula (0.1.3.3.)/(1.1.4.3.);lower incisors very small,caninelong and tusk-like;cheek teeth peg-like,and single roots except M_2,enamel bearing.Vertebral formula:C7,D>19,L(?)3,S(?)4,Ca>11;posterior dorsals withlongitudinal ribbed and fluted structures under metapophysis and complex apophysisfrom anapophysis;caudals with the weak chiveron;position sternale of ribs ossified;sternals seven;scapula with second spine;clavecal stout;humerus with rather promi-nent deltoid tuberosity midway of the shaft and epicondyler foramen;ulna not fused withradius;iscium quite short;femur with straight shaft and third trochanter midway ofthe shaft;fibula not fused to tibia;manus and pes pantadactylar and laterally com-pressed claws,central carpal bone fused with radial carpal bone and very small;astragulus with a transversal elongate and flat head,not articulated with cuboid;clawsnot fissured.Ernanodon antelios,sp.nov.Type:An essentially complete skeleton(V 5596).Horizon and Locality:Upper,or Datangxu,member of Nonshan Formation,Late Paleocene;Hwashushia,Youshan Commune,Nanxiong county,Guangdong.(FieldNo.73139).Comparison and DiscussionThe new edentate from Nanxiong Paleocene is decidedly xenarthran-like,and ismorphologically more primitive than all the known members of this group.While it shows nearly all the structural features diagnostic of an edentate,its dental structureis of very primitive type and the posterior dorsal vertebrae distinctly show anxenarthran type of articulation in an incipient degree of development.The new Chinese form shows general resemblance to those in Utaetes and themodern armadillos in pocessing a number of characters as in the structure of scapula,humerus,radius and ulna,ischium,manus and pes,and in proportion of ilium andischium,but it differs in all these characters from those in the ground sloths.Thisindicates that the skeleton of the new form retains many characters of primitivexenarthran in the structure of the appendicular bones;but it is evidently lacking ofan external bony armor as in the armadillos,this apparently excludes it from thesuborder Loricata.Ernanodon,g.n.,is morphologically rather similar to the sloths in the bones of themuzzles region,mandible,the shape of posterior thoracic vertebrae and body propor-tion.Based on these similarities one might well be considered it to be an ancestralform of the ground sloths,but from the known phylogenetic and zoogeographical his-tory of the group,this seems to be improbable.As to whether it is an early offshootof rather xenarthran or not,the available evidence does not seem to permit of such aninference.Ernanodon has some important“plesiomorphic”,as well as “specialized”(or“autapomorphic”)characters.These include the presence of the septomaxillari,ossification of the sternal portion of the costals,the incipient development of axenarthran type of articulation on the posterior thoracic vertebrae,with a second spineon the scapula.All these characters are lacking in palaeanodonts.Besides,Ernanodondiffers from the palaeanodonts in having greater number of teeth,short and transver-sely broader part of the skull behind the post-glenoid process,stronger mandibularcondyles,higher deltoid tuberrosity and relatively shorter and transversely broaderastragulus head,and past in these the new form are similar to the xenarthrans.Thedifferences between Ernanodon and the palaeanodonts show that the former is affiliatedto xenarthran,and the latter,as was pointed out by Emry(1970),should be rea-sonably grouped with the pholidots.As to another specimen,i.e.Chungchienia sichuanica,which has been described asan edentate from the Upper Eocene of Honan(Chow,1963),it is most probabIy closerto a taeniodont,except in the presence of a long mandibular diastema,which is absentin this order.The edentate of Nanxiong is the most primitive xenarthran known outside of So.America.Its occurrence in the Paleocene of China clearly indicates that the geographi-cal distribution of this group is not confined to the western hemisphere in N.and So.America as was previously thought.For long zoologists have been debateing about the origin of the edentate.Thediscovery of their fossils in the Paleocene of Nanxiong throws new lights on thisproblem.At the beginning of this century when the palaeanudonts fossils were firstfound in N.America,some paleontologist had the view that the edentate were probablyderived from certain N.America insectivore,in Cretaceous or Paleocene.In recentyears in spite of that some paleontologists tend to believe that Gondwana land wasthe provenance of the edentate,there are still some who believe in a possible origina- tion of the group in the northern continents.It seems that this is supported by thepresent finding of their fossils in So.China.But,on the other hand,it still does notseem to exclude a possible Gondwana land origin of the order.It may not be entirelyimprobable that Ernanodon,is a relic of earlier immigrants from(or to)the South viaa route other than the one from the north,or by other means or route.

本文是广东南雄古新世贫齿类化石(新科)的初步研究结果。文中,对标本的形态特征、系统位置作了摘要叙述,着重讨论了新科与古贫齿类的关系;简单介绍了南雄标本发现的动物地理意义。

 
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