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雁形
相关语句
  bird shape
     THE STRENGTH AND STIFFNESS ANALYSIS OF THE BIRD SHAPE PLATES
     雁形板的强度与刚度分析
短句来源
     Prestressed bird shape plates are a new type of roof structure consisting of a beam plate combination developed on the basis of V type folded plates.
     预应力雁形板是在V型折板的基础上发展起来的一种新型梁板合一屋盖结构。
短句来源
     The local stability critical stress of the bird shape plates is analyzed by the energy method in this paper. According to the study results,some suggestions for the design and the limit values of the wide thick ratio of the bird shape plates with different concrete mark are presented.
     用能量法算出雁形板翼缘的局部稳定临界应力,并由此对雁形板的设计,及不同强度等级混凝土雁形板的宽厚比的限值,提出了建议。
短句来源
     With the help of theory in ref. and the method in ref. ,the stress coefficients for the bird shape & V shape folded plates under the longitudinal and horizontal concentrated load are calculated.
     根据文献[3]的理论,按文献[1,2]同样的方法,算出雁形板及V形折板纵向水平集中荷载的应力系数。
短句来源
     By means of static loading and destruction test on two 18m span bird shape plates before and after strengthening with external prestressing,the mechanical property of the strengthened plate is analyzed,and the capability of improving the property of the bird shape plate is obtained.
     通过对 1 8m跨雁形板用体外预应力筋加固前后的静载试验 ,分析研究了体外预应力加固雁形板这种薄壁板梁组合体系加固前后的受力性能及力学性能指标改善情况 ,得出体外预应力钢筋对提高梁受力性能的贡献。
短句来源
  “雁形”译为未确定词的双语例句
     SIMULATION EXPERIMENT AND FRACTURE MECHANISM STUDY ON PROPAGATION OF ECHELON PATTERN CRACKS
     雁形裂纹扩展的模型试验及断裂力学机制研究
短句来源
     In order to make the best use of the economic impetus functions of capital market, we bring forward some advice to rebuild the Yangtze Delta capital market, which includes perfecting the capital market integration to found a Yangtze Delta "Goose" Market Model;
     为发挥资本市场对经济成长的推动效能,本文提出了资本市场功效重构思路,这包括完善资本市场一体化机制,构建长三角资本市场“雁形模式”;
短句来源
     Chapter two analyses the disintegration of East Asian economy development pattern and the new thought appearances.
     第二章分析了东亚经济发展模式一“雁形模式”的解体与新思维的出现;
短句来源
     In the era for development of economic globalization, the countries (district) of East Asia should break through the Japanese-leading economic mode called "wild goose's array pattern", constantly strengthen the regional cooperation, speed up the industrial readjustment, and accomplish the upgrade of capital-intensive and technology-intensive industries together.
     在经济全球化发展的时代,东亚国家(地区)必须突破日本一雁领头的"雁形结构",不断提高区域合作紧密化程度,提高产业调整速度,共同实现向资本和技术密集型产业升级。
短句来源
     BIRD SHAPE PLATE APPLICATION AND DEVELOPMENT IN 20 YEARS
     雁形板应用发展二十年
短句来源
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  相似匹配句对
     TORTIONAL BUCKLING OF THE BIRD SHAPE PLATES
     板的整体稳定分析
短句来源
     LOCAL STABILITY ANALYSIS OF THE BIRD SHAPE PLATES
     板的局部稳定分析
短句来源
     Shape * Shadow
     *影
短句来源
     The Metaphysical Meaning of Freedom
     自由的上意蕴
短句来源
     BEAUTIFUL MIDDLE YANDANG
     中之美
短句来源
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After the discovery of Shandongornis shanwanensis Yeh,1977 from diatomacousshale of “Shanwan Series” of Linqu,Shandong Province,two another specimens of fossil bird were unearthed respectively by the members of Shandong Museum andothers in 1978 from the same locality,and were sent to our Institute for determinationlast spring.One of the specimens is a large individual,but incomplete;while theother is of medium size and excellently preserved.They clearly belong to the differentOrders,and a brief note of them...

After the discovery of Shandongornis shanwanensis Yeh,1977 from diatomacousshale of “Shanwan Series” of Linqu,Shandong Province,two another specimens of fossil bird were unearthed respectively by the members of Shandong Museum andothers in 1978 from the same locality,and were sent to our Institute for determinationlast spring.One of the specimens is a large individual,but incomplete;while theother is of medium size and excellently preserved.They clearly belong to the differentOrders,and a brief note of them is now given as follows:Order AnseriformesFamily AnatidacGenus Sinanas,gen.nov.Generic diagnosis——as for the species.Sinanas diatomas,sp.nov.(Pl.Ⅰ)Type An almost complete skeleton,only the anterior part of the skull and rightfoot missing,Locality and Horizon Linqu,Shandong;Middle Miocene(“Shanwan Series”).Diagnosis Medium size,neck somewhat long,cervical vertebrate more than 13.Humerus long,and with its length slightly longer than that of ulna or radius.Tarso-metatarsus short,only 40mm.in length.Four toes,long and slender,three of themdirected forward,and stand on a same plane;the other one(first toe)rearward,shorter and higher than others.Remarks In view of the general features of the specimen,especially the struc-tures of tarso-metatarsus,feet,and,seemingly,the presence of print of web,the fossilbird from Shandong is doubtless a member of waterfowl.The size of skeleton and thecharacters of bones of the present specimen are closely comparable with those seen inthe members of genus Anas,but it differs from them by its stoutness appearing inbones of limbs.It is therefore a new genus and species,Sinanas diatomas,of FamilyAnatidae here proposed.The fossil records of Family Anatiade and even Order Anseriformes of our countryare very rare.Only some fragments of genus Anser and Anas have been collectedfrom Pliocene and Pleistocene.The present specimen hence represents the mostcomplete and earliest one of this group of animals so far known in China.For details of new form references may be made to the accompanying plate Ⅰwhich is about half of nature size.Order GalliformesFamily PhasianidaeGenus Linquornis,gen.nov.Generic diagnosis——as for the speciesLinquornis gigantis,sp.nov.(Fig.1;Pl.Ⅱ)Type A partly preserved skeleton,only its humerus,ulna and radius of one sideand hind legs can be observed clearly.Bones of trunk and girdles are broken anddisplaced,but part of sternum,ribs,coracoid and antebrachium of other side are stillhardly distinguished.On the surface of tibia,there are several rocky concretions whichhave not been taken away.Locality and Horizon As for the Sinanas diatomas just mentioned above.Diagnosis Size large,bones stout and powerful.Tarso-metatarsus though longer than length of middle toe and its claw,but still shorter than that of tibia.Footanisodactylous in form,first toe shorter and higher than others.Phalanges strong,claws compressed laterally.Remarks Though the hind leg of present bird looks somewhat long,it isessentially not so when correlated with its gigantic individual,the measurement oftarso-metatarsus is only 144 mm.in length which is still shorter than that of tibia(190mm).It is impossible that the specimen is a member of wading birds whichusually occurred a very long and slender tarso-metatarsus.Judging from the char-acters of strong and stout hind legs,the powerful phalanges and claws,and,first ofall,the presence of spur as if explained in figure 1,it seems reasonable that we considerpresent fossil as a member of Order Galliformes.In this Order,the Polyplectronbicalcaratum and Pavo muticus of Family Phasianidae are large forms now living inour country,but the fossil bird still larger than the former one,while it is somewhatcomparable with the latter one which no fossil record so far has been known.Thepresent specimen differs also from Parapavo,a large form of Pleistocene of NorthAmerica,by its larger individual.It is the largest fossil specimen of this group so farknown in China.The present author therefore considers it as a new form ofPhasianidae,Galliformes,and the name Linquornis gigantis,gen.et sp.nov.,is proposed.As for the details of the specimen,particularly those of hind feet which overlapedeach other in the preservation,a reference can be made to the accompanying figure 1and plate Ⅱ.So far,we have obtained three specimens of fossil birds from diatomite bed of“Shanwan Series”,it seems hopeful that we can get more of this group of animalsfrom there.

本文记述了产自山东临朐解家河硅藻土矿(中新世中期)中的两件鸟类化石。一件保存完整,鉴定为雁形目鸭科的新属种——硅藻中华河鸭,其特征与河鸭属最为近似。这是我国雁形目中迄今所知保存最完整的化石记录,也是该目中我国已知的最早代表。另一件只部分保存,骨骼均甚粗大。从完整的后肢骨骼特征看,应属鸡形目中的大型鸟类,归雉科,名为硕大临朐鸟,新属,新种。

Based on the satellitic photographies, we consider that the Changjiang delta might have taken its shape between Dongtai and Jiangdu of Jiangsu province in the early Holocene, and there could have existed the Changjiang Delta complex comprising several subdeltas from NE to SW in an echelon pattern in a plane.

仲德林等通过卫片解释研究了古长江口的演化问题,提出了从东台到江都在全新世早期的古长江口演化也存在“雁”形演化这一新看法。本刊认为,这种看法是对玉木冰期低海面时长江三角洲可能位于东海水深150米以下这一概念的挑战,并有可能建立起自全新世以来长江三角洲演化的基本模式。这是一个值得注意的科研动向。我们热切希望有关这方面进一步的研究成果,更多地出现在本刊上。

Xingkai lake region is a place where the birds have to pass by for migration in spring. The migration pattrens of wading birds and water birds, such as Red-Crowned Crane, White-Naped Crane, Swan, Wild Goose and Duck, have been recorded and discussed in this paper. Meanwhile, the first seeing days of other. seventy seven varieties of migrating birds were recorded, and the varieties and numbers of Anseriformes birds also have been investigated and recorded in the river mouth of Sino-Soviet boundary where is the...

Xingkai lake region is a place where the birds have to pass by for migration in spring. The migration pattrens of wading birds and water birds, such as Red-Crowned Crane, White-Naped Crane, Swan, Wild Goose and Duck, have been recorded and discussed in this paper. Meanwhile, the first seeing days of other. seventy seven varieties of migrating birds were recorded, and the varieties and numbers of Anseriformes birds also have been investigated and recorded in the river mouth of Sino-Soviet boundary where is the major place of migrating birds.

本文对栖息在兴凯湖地区的丹顶鹤、白枕鹤、天鹅、雁类、鸭类等涉禽和水禽的迁徙规律做了观察记录,同时也记录了77种其它迁徙鸟类的首见日,并对中苏界河河口在早春迁徙中的重要性及其雁形目鸟类的种类与数量做了调查。

 
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