淡水

A study on geographical distribution of fresh water Hydrocharitaceae in Guangdong and Guangxi.

标题 广东广西淡水水鳖科植物的分布。

A study on geographical distribution of fresh water Hydrocharitaceae in Guangdong and Guangxi.

广东广西淡水水鳖科植物的分布。

Hydrochemistry, isotope and CFCs were used to determine groundwater transport in the eastern part of the Guanzhong Basin.

中文摘要关中盆地地下水化学类型多样，成分复杂，空间上有淡水和咸水共存，在城市及周边地区有不同程度水质污染。

And although history shows that full-scale wars over water, proving to be neither strategically rational nor hydrographically effective, have never been fought (Wolf, 1998), water continues to be a source of intense disputes worldwide.

虽然历史表明，单纯为争夺水源的全面战争基本上没有(沃尔夫，1998)，淡水仍然是一个世界上激烈争端的重要来源激。尤其是两个或两个以上国家共享一条河流时，问题就变得更为复杂了。

Is a perennial hydrophytic species, whose typical habitats are fresh and brackish water area of swamp and riversides.

是禾本科多年生水生草本植物，其典型生境为淡水、含盐的沼泽或者湖边。

Is a perennial hydrophytic species, whose typical habitats are fresh and brackish water area of swamp and r...

是禾本科多年生水生草本植物，其典型生境为淡水、含盐的沼泽或者湖边。

Any of numerous coelenterates of the class Hydrozoa, including the freshwater hydras, hydroids, hydrocorals, and siphonophores.

水螅水母类动物水螅水母类无数腔肠动物中的任何一个，包括淡水水螅，水螅类动物，水珊瑚及管水母类动物

For protecting and exploiting the fish genetic resources, this experiment studied several kinds of idioplasmic character of Culter erythropterus Basilewsky in Dalai Lake which is the biggest fresh lake in Inner Mongolia.

为了对我国淡水鱼类遗传资源进行保护和持续利用，本实验对内蒙古第一大淡水湖达赉湖红鳍鲌的几个种质指标进行了研究。

The desert areas may indraught seawater and turn to freshwater in the light of their geographical conditions.

发明成果的主要特点：不用任何化工原料，操作简单，使严重缺水的沙漠地带根据地理条件，将海水引进转化成淡水，对恢复沙漠粮田、动植物的成长，消除沙尘爆，有着不可估量的经济效益和社会效益，在水资源严重危机时，可以直接通过管道将海水进入家庭进行转化，达到资源共享之目的，为人类做出贡献，对缺水的国家，本成果具有很高的价值。

Vexillifer and Neophocaena phocaenoides is 15.03%(49/326bp). Two phylogenetic trees, constructed by using sequence data, suggest that Lipotes vexillifer does not share a direct common ancestor with Inia geoffrensis, thus provide molecular evidence in favor of the establishment of family Lipotidae; extant river dolphins might be a group ofes with

系统发育分析结果表明：白暨豚与亚河豚没有直接共同的祖先，从而为白暨豚科的建立提供了有利的分子证据；现存的淡水豚类可能仅是外形上相似的物种群，Muizon1984；1988a

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。