腹鳍

na.abdominal fin; pelvic fin

网络释义：ventral fin; pelvic fins; ventral fins

网络释义

na.1.abdominal fin; pelvic fin; ventral fin

1.pelvic fin pelvic cavity 骨盆腔 pelvic fin 腹鳍 pelvic girdle 腰带；骨盆带 ...

2.ventral fin 腹面细槽 distal grooves 腹鳍 ventral fin 腹气管 extrasiphonata ...

3.pelvic fins pectoral fin – 胸鳍 pelvic fins – 腹鳍 PFD – 个人漂浮设备或救生衣 ...

4.abdominal fin ... abalone fishery 鲍鱼渔业 abdominal fin 腹鳍 ablen 石斑鱼类 ...

5.ventral fins vent - 鱼的肛门 ventral fins - 腹鳍 vertebra - 脊柱 ...

6.abdominal fins sclera 巩膜 abdominal fins 腹鳍 Citharids 棘鲆鱼 ...

1.modified portions of the pelvic fins in male sharks, rays and chimaeras used for transferring sperm to the female.在雄鱼鲨鱼，魟与银鲛的腹鳍的变异部分用来了把精液转移到母鱼。

2.A comppcating factor is uncertainty surrounding the choice of axisymmetric exhaust nozzle geometry and ventral strakes in the long term.轴对称排气喷口的几何形状以及腹鳍边条周围环境的不确定性是一个复杂的因素。

3.Most species are small bottom dwellers with a weak suction cup formed by the fusion of their pelvic fins.大部分为底栖鱼，特征是具一个由腹鳍愈合而成的吸力不强的吸盘。

4.The abdominal fins between the head and body have already become "muscularized, " allowing the mudskipper to crawl.头部与身体间的腹鳍已「肉质化」，使花跳能够爬行。

5.fanning Moving the pectoral, pelvic, anal, or caudal fins over the egg mass or fry and thereby aerating them and removing sediment.搧动移动胸鳍，腹鳍，臀鳍或尾鳍在卵团或鱼苗上而藉此使他们暴露于空气中而且除去沉淀物。

6.aerofoils Modified pectoral or pelvic fins used for gpding in some fishes.鳍翼部分鱼类的变异的胸鳍或腹鳍可用以在空气中滑翔。

7.ventral (or pelvic) fins correspond to the hind pmbs of a quadruped .与四足动物后肢相对的是腹鳍。

8.body covered with ctenoid scale, lateral pne absent, two dorsal fins, pelvic fin fused to form elongated suction disc.体被栉鳞，无侧线，背鳍两个，腹鳍愈合成长吸盘状。

9.abdominal fins Appped to ventral fins when inserted far behind pectorals .腹鳍腹侧成对的鳍，在胸鳍后方远处。

10.Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide pft to their smaller pelvic fins.同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。