鳥類的 的英文怎麼說
中文拼音 [niǎolèide]
鳥類的
英文
avian-
Amongst birds, the contest is often of a more peaceful character.
鳥類的斗爭往往比較和平。The feathers attached to the arms and the tail evidently possess the structures of " modern feathers ", which consisting of the central shafts ( rachis ) and parallel barbs. dromaeosaurids are unusual group of maniraptoran theropods. they share many similar or the same features with archaeopteryx or other primitive birds, such as : u - shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and " modern feathers " with rachis and barbs etc. these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds, but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones
奔龍類是一類較為特殊的手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類相似或接近的特徵,主要表現在:叉骨u形與始祖鳥和孔子鳥類的相同,背肋鉤狀突在孔子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間的夾角非常接近90也和始祖鳥的相似,前肢從比例上講顯得較長,大的半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,距骨上升突與原始鳥類中的為同源結構,羽毛已有顯著的分化且具備了現代羽毛的基本結構等等。During 2001 to 2002, observation and statistics were made on the dynamic status of migration, habitat form, habit of activity and population density of aves in the wetland of hengshui lake. the management and protection of bird resources are also discussed in the paper
本文對衡水湖自然保護區鳥類的物種多樣性和季節動態、以及重要水鳥的繁殖和水鳥生境的重要性進行了研究,分析了衡水湖自然保護區水鳥面臨的威脅,並提出了保護對策。The homology of deduced bdnf sequences is over 90 % among the three reptiles. but the bdnf sequence of tylototriton taliangensis with those of other three reptiles showed a little lower homology. finally, the homology of bdnf gene among the reptiles and the aves is higher than that among reptiles and in other species
此外, 4個基因編碼區存在著高度的同源性,除大涼疣螈同源性偏低外,另外3種bdnf基因同源性高達90 ,並且其中的爬行動物bdnf基因與鳥類的同源性高於其它物種。There was also an aviary full of rare birds.
那裡面還有裝滿稀有鳥類的鳥舍。It will be a base line for future bird studies all over the world.
這將是未來全世界研究鳥類的一個基準。Dialects occur in birdsong as well as in speech.
語言有各種方言,鳥類的歌唱也有各種地方調。He remembered the initial paraphenomena ? more active air, a matutinal distant cock, ecclesiastical clocks at various points, avine music, the isolated tread of an early wayfarer, the visible diffusion of the light of an invisible luminous body, the first golden limb of the resurgent sun perceptible low on the horizon
空氣越發充滿了勃勃生機:遠處,公雞在報曉,各座教堂的敲鐘聲,鳥類的音樂,早起的行人那孤零零的腳步聲,看不見的光體所射出的看得見的光,復活了的太陽那低低地嶄露在地平線上的依稀可辨的最初一抹金暉。The avian tarsometatarsus distinguished from the tarsus and metatarsus of other quadruped by its unique characteristic of structure
摘要鳥類的跗跖骨以其獨特的結構特徵與其他四足動物跗骨、跗骨相區別。1. because the taxonomic division is rather complex and has been much disputed and revised, in this part, we will review the classification and phylogeny of families, subfamilies and tribes of anseriformes based on morphology, ethology, osteology, mitochondrial and nuclear dna restriction fragment length polymorphism, single - copy nuclear dna hybridization and the sequences of mitochondrial gene analysis referring to the different definition, classification and phylogenetic relationships of the families, subfamilies and tribes of anseriformes. the controversial questions and deficiency in the systematic studies of anseriformes were pointed out
具體包括以下幾個部分: 1 、針對雁形目鳥類異常復雜的分類狀況及分類上存在的爭議,根據雁形目鳥類的形態學、行為學、骨骼學、角蛋白、線粒體與核dna酶切片段長度多態、單拷貝核dna - dna雜交及線粒體基因dna序列分析等方面的研究,對雁形目鳥類分類中科、亞科和族的劃分及其相互間的系統發生關系進行綜述,分析系統學研究中存在的不足,提出了雁形目鳥類分類中急需解決的問題。Paleontological studies showed that modern avian groups probably first appeared in the paleocene and experienced an explosive radiation in the early cenozoic
古生物學研究表明,現生鳥類的最早出現是在古新世,而爆發性輻射演化發生在新生代早期。Dusky thrush ( turdus naumanni ), common magpie ( pica pica ), bohemian waxwing ( bombycilla garrulus ), grey - faced woodpecker ( picus canus ) mainly consists of single species, and the average population size is 6. 26 individuals ( 1989 - 1990 ) and 7. 44 individuals ( 2001 - 2002 ), the mixed species population mainly consists of great tit ( parus major ), marsh tit ( parus palustris ), eurasian nuthatdch ( sitta europaed ), the average species number is about 3, average number is 7. 4 individuals
冬季鳥類的集群明顯,單種群主要為長尾山雀、斑鴉、喜鵲、太平鳥和黑枕綠啄木鳥群,每群平均個體數為6 26隻門? 1990年)和7 44隻( 2001 2002年) ,混合群主要由大山雀、沼澤山雀和普通幅構成,每群平均種數在3種左右,平均個體數在7( 6 ) after working we pose two hypothesis of migrate : one is " firewall avoid hypothesis ", another is " habitat optimization hypothesis ". ( 7 ) fe have discovered phoenicurus crythrogaster, prunella fulvescen. < ;, carduelis horneianni * etberiza citrine ] la and seiccrcus castaniceps. they are all new distribution in heilongjiang province
( 6 )通過實驗數據和相關資料的總結,提出關于遷徙鳥類的兩個假說「屏障迴避假說」和「棲址優選假說」 ( 7 )在2000 - 2002年的環志過程中,在西部的高峰鳥站獲得紅腹紅尾鴝( phoenicuruservthrogaster ) 、褐巖鷚( prunellafulvescens ) 、極北朱頂雀( carduelishornemanni ) 、黃? ( emherizacitrinella )和栗頭?鶯( soicercuscastaniceps )等5種黑龍江省鳥類新分佈種。Research on the diversity of shape and structure of avian tarsometatarsus, not only did it present evidences to realize the ecological habit of birds of different species, but made the knowledge of functional behavior of avian hindlimbs perfect progressively also
鳥類跗跖骨形態結構多樣性的研究不僅為了解不同類型鳥類的生態習性提供證據,也使鳥類後肢骨骼的功能行為學得以逐步完善。Together these advances have produced a highly detailed and revolutionary picture : feathers originated and diversified in carnivorous, bipedal theropod dinosaurs before the origin of birds or the origin of flight
綜合這些證據,便能描繪出十分詳盡的革命性圖像:羽毛的起源與分化都發生於肉食性、兩足步行的獸足類恐龍身上,比鳥類的起源、甚至飛行的起源都還要早。The classification and evolution of trachea in gruidae birds
鶴科鳥類的系統分類和氣管進化There are connections between vocalization and audition
鳥類的聽覺與發聲有密切的關系。Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively
本文首先對雁形目鳥類的系統發生研究進行了綜述,然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析,探討了雁形目鳥類分子系統發生。Poor : no organized program for bird control. birds or evidence of their presence found in plant
差:未建立鳥類控制的程序,或在廠房內有鳥類或鳥類的痕跡。Grains are really bird seed and the plant kingdom ponders the need for humans to eat the food of birds when there are so many other abundant and larger varieties of vegetables and fruit that fill the need for starch in your diet
穀物其實是鳥類的食物,植物王國在思考:人類當前的飲食有如此豐富多樣的瓜果蔬菜,足以滿足自身對澱粉的需求,那為什麼還要吃掉鳥類的食物呢分享友人