查询词典 fin stabilization

T was later transiently expressed in pharyngeal arches, and in pectoral fin buds. IGFBP-3 mRNA is predominantly and persistently expressed in the developing otic vesicle. IGFBP-3 is also expressed in optic stalk, retina, pineal gland, tegmentum in midbrain, anterior pituitary and midline floor of hypothalamus.

GFBP-3 mRNA 持续而强烈地表达在发育中的内耳，它也表达在眼睛的视杆和部分视网膜细胞，松果腺以及脑垂体前部、中脑脑盖和下丘脑的基底中央等脑组织。

After an hour or two, a triangular fin sliced the surface of the water and circled the group.

一两个小时后，一团三角形的鱼鳞片在水面上盘旋聚集。

It is an important test platform supporting the study of underwater vehicle based on undulatory propulsion of long flexible Fin.

是支撑柔性长鳍波动推进水下机器人研究的重要试验平台。

A simplified kinematic model on locomotion of the undulatory long dorsal fin propulsion is based on the the observation and experimental data.

在"尼罗河魔鬼"巡航游动试验的基础上，通过对鱼体几何形态和柔性长背鳍波动的运动学分析，建立了"尼罗河魔鬼"长背鳍波动推进的简化运动学模型，并利用大摆幅伸长体理论分析了长背鳍波动推进的水动力学特性。

With the test model of underwater vehicle based on undulatory propulsion of long flexible fin as background, the paper mainly studied how to construct the test system which can satisfy the static and dynamic hydrodynamic force and moment measurement requirements of diversified test models of underwater vehicle fixed at arbitrary attitude.

以基于仿生柔性长鳍波动推进的水下机器人试验模型为背景，主要研究如何构建满足多种水下机器人试验模型在各种姿态下流体动力／力矩的静态与动态测量要求的测试系统。

Unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance.

鱼类和其他水生脊椎动物背部帮助保持平衡的奇鳍。

In this April 3, 2009 photo, a robotic tail fin, whose actions are dictated by microprocessors housed in an attached Tupperware container, is seen in professor John Long's Vassar College science lab in Poughkeepsie, NY Long is among a small group of researchers worldwide building robots that can do things like shimmy through water or slither up shores to aid the study biology and evolution.

在这09年4月3日的照片，机器人尾翼，其行动是由微处理器，住在一个重视特百惠容器，是在教授约翰龙的瓦莎学院科学实验室在北京市东城区龙是一小群世界各地的研究人员建设机器人可以做的事情一样摆通过水或滑行了海岸援助和进化生物学研究。

It was necessary to be able to see the ventral fin from the control car, so the fins were modified.

降低了腹鳍的强度，便于在控制吊舱中能看到它。

It was decided that it was necessary to be able to see the ventral fin from the control car, so the fins were modified.

降低了腹鳍的强度，便于在控制吊舱中能看到它。

This is two halves of a ventral fin mold, one half of which was allowed to catalize on my building table, the other half being cast at about 60PSI in my pressure pot.

这是两半的一腹侧鱼翅模具，一，其中一半被允许catalize对我的建设表，另一半被投下约60psi在我的压力罐。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。