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district     
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     A Comprehensive Remote Sensing-structure Analysis of the Complicated Structural District in Orogenic Belt
     造山带复杂结构构造遥感——构造综合解析
短句来源
     Study on the Dynamic of Landscape Pattern and Its Environmental Analysis in the Wuyishan Scenery District, Fujian Province
     武夷山风景名胜景观格局动态及其环境分析
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     Research on Water and Soil Conservation and Regional Economic Sustainable Development in the Much Macro-sand District of the Northern Area of Shaanxi Province
     陕北多沙粗沙水土保持与域经济可持续发展研究
短句来源
     Rural Sustainable Landscape Ecological Planning and Optimized Eco-productive Paradigm Study: A Case in Changping District, Beijing
     北京市郊可持续景观生态规划及优化生态生产范式研究——以昌平为例
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     Study on Agricultural Industrialization Development of Dongting Lake District
     洞庭湖农业产业化发展研究
短句来源
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  地区
     Sustainable Development in Natural Resources Roughly Exploited District
     自然资源强力开发地区可持续发展研究
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     The Study of Township and Town's Finance in the Central District
     中部地区乡镇财政研究
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     Study of the Tectonic-thermal Evolution of the Songliao Basin and Quantitative Assessment of Its Geothermal Resource: A Case Study on the Dumeng District
     松辽盆地构造热演化及地热资源定量评价研究——以杜蒙地区为例
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     Study on the Change of Land Use/Land Cover of Bashang District
     坝上地区土地利用/土地覆被变化研究
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     Research on Reactive Power Optimization Control in District Power System
     地区电网无功优化控制的研究
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  区域
     Research on Water and Soil Conservation and Regional Economic Sustainable Development in the Much Macro-sand District of the Northern Area of Shaanxi Province
     陕北多沙粗沙区水土保持与区域经济可持续发展研究
短句来源
     A Compare Study and Evaluation for the Competitive Capability of Chinese District Agriculture
     中国区域农业竞争力的评估及比较研究
短句来源
     DISTRICT CHARACTERISTIC OF HENAN AGRICALTURE DEVELOPMENT TRENDS IN 1978~1984
     河南省1978~1984年农业发展动态的区域特点
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     Analysis on A/O Process Improving Aeration System for Treating District Mixing Industrial Wastewater
     区域混合型工业污水好氧系统A/O化刍析
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     START-UP ANALYSIS OF INET-5MW DISTRICT HEATING PROTOTYPE REACTOR
     INET-5MW区域供热模式堆的启动研究(英文)
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  小区
     Housing Construction and the Environment of Beijing -Thinking of the Beijing Residential District's Development
     住宅建设与北京城市环境——关于北京住宅小区发展的几点思考
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     Application of PVLAN Technology on District Broadband Networks
     PVLAN技术在小区宽带网中的应用
短句来源
     Design of geothermal heating for Xinyuan district
     欣苑小区地热供暖站房设计
短句来源
     The paper concludes that central integrated management system is very important for enhancing management efficiency and orders of intelligent district.
     通过对智能小区综合管理的分析,得出建设智能小区中央集成管理系统对于提高智能小区管理效率和管理层次十分重要的结论。
短句来源
     This thesis is based on "key technology research of intelligent district system based on TCP/IP protocol" and the results of gateway, WEB server information, study the wireless gathers and transmit integrated technology, and the application in the intelligent family.
     本论文在山东省优秀中青年科学家科研奖励基金项目“基于TCP/IP协议的小区智能化系统”研究中取得的家庭智能控制器网关、WEB服务器信息存储与访问技术的基础上,研究了无线数据采集与传输一体化集成技术,及其在家庭智能化中的应用。
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      district
    Sustainable development models of converting cropland to forest in Dabieshan District, Anhui Province
          
    The characteristics of the eco-environment, extension scale and sustainable models of converting cropland to forest in the Dabieshan District of Anhui were analyzed.
          
    The Dabieshan District is a main ecological area with a function of soil and water conservation where seven large reservoirs and irrigation systems of the Pishihang are distributed.
          
    Some suitable models and effective approaches were put forward for the sustainable development in the Dabieshan District, Anhui.
          
    The collecting sites were geographically distant from each other from south to north: Quwo district, Linfen city; Xiangyuan county, Changzhi; Jinyuan district, Taiyuan city; Yuanping county, Xinzhou city and Fanshi county of Xinzhou.A.
          
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    Ericerus pela Chavannes, the insect producing white wax,belongs to Coccidae,Homoptera. The female adult lays eggs while the male larva produces wax, whichis a well-known product from Southwest China. The wax secreted by the malelarvae may be boiled and extracted to result in something known as white wax.Its boiling point reaches above 82-83℃. It has manifold uses. Before WorldWar Ⅱ, besides the consumption at home, th greater part of this product wasexported abroad. The supply of the female adults of this wax...

    Ericerus pela Chavannes, the insect producing white wax,belongs to Coccidae,Homoptera. The female adult lays eggs while the male larva produces wax, whichis a well-known product from Southwest China. The wax secreted by the malelarvae may be boiled and extracted to result in something known as white wax.Its boiling point reaches above 82-83℃. It has manifold uses. Before WorldWar Ⅱ, besides the consumption at home, th greater part of this product wasexported abroad. The supply of the female adults of this wax insect in the wax-producing districtusually appears short annually, due to a peculiarity in the growth of this creature;and therefore naturally exist two correlative districts, that is a district of adultproduction and one of wax production. As these two.districts are located morethan 500 kilometres apart,every year the female adults ready to be transplantedon he feeding trees in the district of wax production have to be supplied bythe district of adult production, and they must be carried over a long distance.The carriage of the female adults of the wax insect from one place to theother has been practiced for about five hundred years by the people engaged inwax production. This article reports on a test of transportation of the female adults of the wax insect from Paikuowan (白菓湾) in Hweili County (会理县), formerly of SikangProvince to Huhtaokou (核桃沟) in Omei County (峨眉县), Szechwan Province.Investigations in this connection were made from the April 30 to May 13, 1941. It has long been the aim of the growers to produce the female adults of theinsect and the wax in the same locality. With this realized, the area of wax pro-duction would be enlarged, and the quantity of wax increased. However, as the female adults of the insect in the distr .ct of wax produc-tion are subject to such natural adversities as geographical features, temperatureand humidity, parasitic enemies etc., up to the present they cannot be raised andsapplied insufficient quantity in this district. For this reason, to in prove themethod of transporting the adults female insects to the wax-producing district, toShorten the time on the way,and to increase the vitality of the male larvae-all these have become the crucial questions in the promotion of wax production. The principal explanation, knowh for centuries, with regard to the impossi-bility to raise the female adults of the insects in the district of wax productionhas been the peculiar fact that the female larvae could not be carried in quickorder to a place over 500 kilometres apart. The present test has proved that al-though the female larvae were, in the greater part, hatched out on the way, therewere still a part of them reaching the destination in safety. Valuable informat-ion was also obtained on the hatching rate of the male and female larvae on theway, the influence of environmental factors on the sex ratio, the different speciesof parasitic enemies, etc.. It is hoped thet the facts thus ascertained will be ofservice to improving the methods of wax production.

    白蜡虫是我国的特产,古代农民远在元朝已有饲养。在过去全国的白蜡年产量约在五万至十万担间,据1918年重庆海关报告有一万一千余担,值银七十七万余海 关两。解放前一、二十年来,由于国民党反动派的不重视和摧残,已逐渐衰落。白蜡是化学工业上的重要原料,用途很广,饲养蜡虫又是西南各省农民的主要副业,而且农民群众已积累了非常丰富的传统经验。因此,为了总结群众经验,发扬科学遗产,改进饲养技术,振兴蜡业,我们希望能引起有关方面的注意和进一步研究,除研究改进白蜡虫的经管技术外,又须注意白蜡在工业上的用途。 白蜡虫的种蜡异地繁荣,在目前已成为自然的形势,而蜡区种虫不能自给,是白蜡业发展上的基本障碍。我们通过本次测验之后,认为我国适于蜡虫(雄虫)繁育的地方很多,如四川、湖南、浙江、安徽、福建、江西、江苏等丘陵地带都可扑虫产蜡,关键问题在于改善运种方法。在目前我国交通运输业已有普遍发展的基础上,只要用航空运种即可在短时间内将种虫运送至全国蜡区。扩大蜡区,增加农民副业收入,发扬我国科学遗产,为国家创造财富,利用益虫为生产服务,在目前已完全有实现的可能。

    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。

    Ⅰ. A brief mosquito survey was carried out in Changsha, Hunan Province from March to October, 1954. Adult pupae as well as larvae were collected from various habitats. As a result, twenty-six species of nine genera were discovered. They are 1. Anopheles hyrcanus var. sinensis, 2. Tripteroides aranoides, 3. Uranotaenia macfarlanei. 4. U. bimaculata, 5. Orthopodomyia anopheloides, 6. Ficalbia luzonensis, 7. Mansonia uniformis, 8. Armigeres obturbans, 9. Aedes vexans, 10. Ae. niveus, 11. Ae. albopictus, 12. Culex...

    Ⅰ. A brief mosquito survey was carried out in Changsha, Hunan Province from March to October, 1954. Adult pupae as well as larvae were collected from various habitats. As a result, twenty-six species of nine genera were discovered. They are 1. Anopheles hyrcanus var. sinensis, 2. Tripteroides aranoides, 3. Uranotaenia macfarlanei. 4. U. bimaculata, 5. Orthopodomyia anopheloides, 6. Ficalbia luzonensis, 7. Mansonia uniformis, 8. Armigeres obturbans, 9. Aedes vexans, 10. Ae. niveus, 11. Ae. albopictus, 12. Culex fuscanus, 13. C. vorax, 14. C. hayashii, 15. C. (Neoculex) sp. 16. C. malayi, 17. C. (Lophoceratomyia) sp. 18. C. pallidothorax, 19. C. bitaeniorhynchus, 20. C. sinensis, 21. C. whitmorei, 22. C. tritaeniorhynchus, 23. C. mimeticus. 24. C. mimutus, 25. C. vagans and 26. C. fatigans. Among these species Tripteroides aranoides, Uranotaenia bimaculata, Orthopodomyia anopheloides and Ficalbia luzonensis were recorded for the first time in the province.Ⅱ. As regards the distribution of these twenty-six species in Changsha, twelve of them were found in Tung Ch'u (or East District) and Pei Ch'u (or North District), ten in Nan Ch'u (or South District), and Si Ch'u (or West District), sixteen in Chin Pan Ch'u, thirteen in Wen I Ch'u, twenty-one in Hui Chuan Ch'u and Yue Lo Ch'u. In the city thirteen species were found and in suburb, twenty-five species.Ⅲ. The daytime resting places of mosquitoes have been classified as household, pigsties, cowstable, villages and hills. Different species of mosquitoes prefer different quarters as their daytime resting places.Ⅳ. Larvae of seventeen out of twenty-six species of mosquitoes have been found Their breeding places and their association with other species are discussed.Ⅴ. On the basis of larval collection six species are considered as important and common in Changsha, namely Culex fatigans, C. tritaeniorhynehus, C. vorax, Anopheles hyrcanus var. sinensis Aedes albopictus and Armigeres obturbans. The correlation between climate and ecology of these six species is also touched on.Ⅵ. A key to the identification of all known species of mosquitoes of Hunan is given.

    一.1954年3—10月,在长沙市初步调查蚊虫,共採得蚊种9属26种。其中有按蚊属1种、拟三翅蚊属1种、Uraunotaenia属2种、Orthopodomyia属1种、番蚊属1-种、曼蚊属1种、阿蚊属土种、蚊属3种及库蚊属15种(其中2种未定名)。所採得的9属26种蚊虫中,有树竹拟三翅蚊、Uranotaenia bimaculata、Orthopodo-myia anopheloides及罗宗番蚊4种,在湖南尚系首次报告。 二.长沙市蚊种的分佈,郊區有25种、中心區有13种。较为常见者有致乏库蚊、三 带喙库蚊、中华按蚊、白纹伊蚊貪食库蚊及骚扰阿蚊六种。 三.”长沙市各种成蚊的停歇处,主要是山陵、住宅、郊野及猪、牛栏。 四.在长沙市所发现的蚊虫中,只发现17种幼虫。各蚊种幼虫孳生地的范围是有差别的。致乏库蚊及贫食库蚊范围最广;Uranotaenia bimaculata、othopodomyiaanopheloides、黑足伊蚊的幼虫,只在树洞渍水中发现。 五.各蚊种幼虫间共生情况,已在文中讨论。 六.在调查的过程中,发现黑足伊蚊在傍晚时吸吮人血。 七.将湖南省已肢知蚊虫编为俭索表,以便有关工作人员之参考。

     
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