胸鰭 的英文怎麼說
中文拼音 [xiōngqí]
胸鰭
英文
pectoral fin; pectoral-
Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc
一般依據胸鰭的有無或發達程度，背鰭起點、鰓孔、肛門、鼻孔和眼等的相對位置，頜的發達程度和頜上是否具須，齒的形狀和排列方式，身體的斑紋，以及頭部和體側的側線孔數目等進行鑒別。" many fish larvae hatch without fully formed pectoral fins and all hatch without a swim bladder, so similar problems could occur for them.
「很多小魚孵化出來時，胸鰭還沒有完全成形，而且所有的魚孵化時都還沒有形成魚鰾。Each cleaner owns a “ station ” on a reef where clientele come to spread their pectoral fins and adopt postures that offer the cleaner a chance to do its job
每條裂唇魚都在礁石上開了個服務站，顧客到那裡只要展開胸鰭，擺出需要服務的姿勢，裂唇魚就知道生意上門了。Its powerful “ wings ” ( actually pectoral fin flaps ) enable it to burst from the surface of the sea and soar several feet into the air before plummeting back to its natural home, landing with a loud slap
它那有力的「雙翼」 （其實是可以拍動的胸鰭） ，令它得以沖出水面數?高，然後再重重的「啪」一聲落回水面。Based on the " fangsheng - i " robot fish of harbin engineering university auv lab, at first the analysis of the relations of pectoral fin ' s attack angle and lift in vertical plane is done in this paper, using the robot fish ' s hydrodynamic results by the panel method ' s, then setting up the motion model in vertical plane is done. finally animation the robot fish ' s motion in horizontal plane is finished
論文以哈爾濱工程大學軍用智能水下機器人國防重點實驗室的「仿生? 」號仿魚機器人為對象，利用面元法計算的仿魚機器人水動力結果，並分析了垂直面內胸鰭的攻角與升力的關系，建立了垂直面內的模型，根據軸變形模擬了仿魚機器人水平面內的直航和偏航。The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish ’ s speed ; the curve experiment has obtained curve radius of inertia advance curve and static curve ; the ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs
加減速試驗論證了尾鰭擺動頻率、尾鰭后緣最大擺幅以及尾鰭的最大擊水角度對魚體速度的影響;轉彎試驗測得了機器魚慣性前進轉彎和靜止轉彎時的轉彎半徑;在機器魚的升潛試驗中論證了胸鰭不同轉角對升潛運動的影響。Through the fundamental academic research of tunny ’ s swimming mode, the single motor - driven - robot fish has been designed, which has two joints taking pectoral fins as an elevator to make the fish - like robot moving up and down, moreover it can achieve the inertia swerve and the static swerve
通過對?科加新月形尾鰭推進模式魚類的仿生學研究，設計了單電機驅動兩關節聯動的尾鰭推進仿生金槍魚，以胸鰭作為升降舵實現機器魚的上浮和下潛，還可實現慣性前進轉彎和靜止轉彎。In this paper, it was reported a young malnutrition yangtze finless porpoises ' ( neophocaena phocaenoides asiaeorientalis ) was caught in semi - nature reserve and its left pectoral effected by pathogen under the condition of dietrearing, resulting in serious dehydration and emaciation
摘要報道了剛捕獲的營養不良的幼年長江江豚，在人工飼養環境中遭條件致病菌侵襲后，左側胸鰭膿腫，潰爛，結果導致江豚嚴重脫水、消瘦。分享友人