淡水的

The study on microstructure characteristics of the five pores on the surface of ostracoda at Nenjiang Formation of Songliao Basin in Cretaceous shows that during the depositional period of Nenjiang Formation in Cretaceous,Songliao Basin should be a continental depositional system and palaeolacustrine enviroment and furthermore its water body property should be fresh saltish.

本文对松辽盆地白垩纪嫩江组介形类化石壳体表面毛细管孔的显微构造特征研究表明，白垩纪嫩江组沉积时期，松辽古湖盆应为一陆相沉积体系，其水体性质应为淡水—少盐水的古湖泊环境。

The endemic species of Chinese freshwater bivalves are dominated by species in central part of China, Oriental realm, with a few species in Palearctic realm. The endemic species spread over 16 provinces, mainly distributed in Jiangxi, Hunan, Anhui, Zhejiang and Jiangsu provinces.

我国淡水双壳类特有种的组成和区系成分，以东洋界华中区的种类占绝对优势，仅有少数种类渗透到古北界；特有种在我国16个省有分布，但主要集中分布于江西、湖南、安徽、浙江、江苏五省。

The purpose is the functions of Gq protein in phototransduction under the illumination by different light condition, and to accumulate dasal information for animal photoreceptive physiology in molecule levels.

日本沼虾和红螯螯虾，同属甲壳纲十足目长尾亚目，是目前我国主要的具有增养殖前景的淡水经济虾类。

This method requires two nearest piezometric wells which respectively tap the fresh water and salt water zones.

这一方法需要两个相邻的分别揭露淡水带和咸水带的测压孔。

The Dongting Lake area is the largest lacustrine wetland ecosystem in China,where biological resources are very plentiful,which include 1428 species of plants,216 species of birds, 119 species of fishes,27 species of amphibians and retile,22 species of mammals and a great number of other wild living things.

中文摘要：洞庭湖湿地是我国最大的淡水湖泊湿地生态景观系统，生物资源十分丰富，其中植物资源 142 8种，鸟类资源 2 16种，鱼类资源 119种，哺乳类 2 2种，两栖爬行类 2 7种及其它大量的野生生物资源。

So is the Riverine, a new simulated natural freshwater river habitat featuring over 20 species of ducks, fish and turtles.

园里新设的河流能模拟自然淡水水流环境，是20多种鸭子、鱼类和龟类的新居。

Total range of salinity of the algal ecotopes is 0. 2-44. 9g/L, but most of the species develop in fresh or slightly saltish water with salinity not exceeding 1-5(8)g/L.

轮藻植物生长的盐度范围为0.2-44.9g/L，一般生长于盐度不超过1-5(8)g/L的淡水或微咸水环境。

In hydroponics of different combination of fresh and sea water, the length of internode, stem girth ,the content of leaf dry matter, leaf chlorophyll, protein, soluble sugar, proline, malondialdehyde, catalase and peroxidase and the activity of root activity in Sesuvium portulacastrum.were detected and analysized.

主要研究结果如下： 1、在全淡水、2：1淡/海水、1：2淡/海水和全海水四种不淡/海水组合水培条件下，检测了海马齿节间长度、叶片干物质含量、叶片叶绿素含量、蛋白质含量、可溶性糖、脯氨酸含量、茎周长、丙二醛含量、过氧化氢酶及过氧化物酶、活性根系活力等11个与耐盐碱有关的形态和生理指标并进行了相应的分析。

Family'.'' Unionidae, having hooks for attaching to the gills or other external parts of a host fish.

科'。''淡水贝类的寄生幼体，长有钩并用来附着在寄宿主鱼的鳃或其他体外部分

The parasitic larva of certain freshwater mussels of the family Unionidae,having hooks for attaching to the gill s or other external parts of a host fish.

瓣钩幼虫珠蚌科淡水贝类的寄生幼体，长有钩并用来附着在寄宿主鱼的鳃或其他体外部分

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。