鱼类学的

A new bionics propulsion equipment—fishlike flexible tail fin propulsion equipment is brought forward,because there are some problems in present thrusters,such as big noise,low propulsion efficiency in shallow water and evident wake.

本文针对现有船用螺旋桨、泵喷等常规推进器存在噪音大、浅水中船舶推进效率不高以及尾迹明显等缺点，提出一种新型仿生推进装置—仿鱼尾柔性尾鳍推进装置，并据此展开了对单翼板柔性尾鳍和双翼板柔性尾鳍模型的计算和实验研究，本文工作属于鱼类生物流体力学、机械学、材料学和控制技术等多学科交叉的一个新兴研究领域。

It is involved in research on applied limnology, lake monitoring, fish genetics, and remote sensing, as well as aquaculture training.

它进行有关应用湖沼学、河流监测、鱼类遗传学和遥测的研究，也进行水产养殖培训。

The effects of five different cubic artificial reef models on behavior and distribution of juvenile schlegel's rockfish were studied.

用鱼类行为学方法，观测了许氏平鲉Sebastes schlegeli幼鱼在水槽内无模型礁和有模型礁条件下的行为反应，并统计分析了PVC材质的5种结构模型礁对许氏平鲉幼鱼的聚集率。

Department of Biological Sciences is primarily dedicated to teaching and research in biology including insect and vertebrate molecular ecology, historical biogeography and population genetics; conservation genetics, crustacean endocrinology, physiology and biochemistry of gametes, vertebrate physiology, systematics, ecology, and zoogeography of freshwater and marine fishes, molecular genetics, reproductive physiology, evolutionary genetics.

生物科学系主要致力于生物学的教学与研究，其研究领域包括昆虫和脊椎动物分子生态学，历史生物地理学和种群遗传学，保护遗传学，甲壳类内分泌学，配子生理生化，脊椎动物生理学，淡水和海洋鱼类系统学、生态学、动物地理学，分子遗传学，生殖生理学等。

This intercalation event differs from the convergent extension movements of the mesoderm described in fish and amphibians4, 5, 6, 7, 8: it occurs before gastrulation and within a tight columnar epithelium.

多光子时差显微镜分析显示了与在鱼类和两栖类中所描述的运动不同的运动，这对脊椎动物胚胎学研究及原肠胚形成的演化研究有重要意义。

Both morphological and molecular systematics approaches are used toinfer phylogenetic relationships and species delimitation amongBothriocephalid tapeworms parasitic in cyprinids in China.

本论文对我国鲤科鱼类寄生假叶目头槽绦虫从形态学、分子系统学等不同方面进行了亲缘关系及种的界定等的研究。

In addition they learn something about water chemistry and breeding of fish.

另外还可以学到一些水生物化学和饲养鱼类的知识。

The time spent learning to fly fish the small stream has been worthwhile.

花时间学飞的小溪流鱼类已经值得。

This paper dealt with the bioenergetics of a marine economic fish—juvenile threebanded sweetlip Plectorhynchus ...

本文采用群体实验的方法，对海水经济鱼类—花尾胡椒鲷幼鱼的生物能量学进行了研究。

Based on flow-through method under the laboratory conditions, the energy budgets were measured and the bioenergetics model s were described for seven species of fish distributed in the Bohai Sea and Yellow Sea ecosystem.

根据室内流水实验法，定量研究了黄、渤海生态系统7种鱼类能量收支组分，并建立了相应的生物能量学模式。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。