淡水的

Lakes and reservoirs are one of the most importamt water resouse,provide for people water conservancy and flood control, water using and water supply, energy supply, marine products, scenery appreciate, shipping improve, accept the row dirty water and weather regulate etc,and also can interferent the society and economy uneveluablely,they are indispensability priceless resource.

湖泊水库是人类最重要的淡水资源之一，为人们提供水利防洪、用水供水、供应能源、水产养殖、游览观赏、改善航运、接纳排污以及气候调节等多种功能，对社会和经济发展起到不可估量的作用，是人们生活不可缺少的宝贵资源。

The freshwater crab phylogeny suggested that the genus Sinopotamon and the genus Potamonautes arose from a common ancestor and the estimated divergence time is about 36～44 Mya.

淡水蟹类的系统发生研究显示，华溪蟹属与仿溪蟹属起源于一个共同的海生蟹类祖先，二者之间的歧异时间在36～44Mya。

The Inter-Institutional Database of Fish Biodiversity in the Neotropics is an international cooperative effort to make available systematic and geographic data on neotropical freshwater fish specimens deposited in natural history collections in the New World and Europe.

&新热带地区鱼类生物多样性国际公共数据库&是一个国际合作项目，其目的是收集新热带地区淡水鱼类的系统数据和地理学数据，所收集的数据被保存在欧洲的自然博物馆里。

Any of various minute, chiefly freshwater crustaceans of the subclass Ostracoda, having a bivalve carapace.

介形亚纲动物属介形亚纲的任一种体小的、主要生活于淡水中的甲壳纲动物，长有一对硬壳

Because nitrogen oxides were already present on early Earth, our finding opens up the possibility that oxygen was available to microbial metabolism before the evolution of oxygenic photosynthesis.

同时，由于亚硝酸盐通过化肥的使用而在淡水农业土壤中大量存在，新的研究结果也可为肥料在甲烷循环中的利用提供契机。生物谷 Bioon.com

Wetlands could be classified into 6 types that they are marine, estuarine, lacustrine, riverine wetlands along rivers and streams, palustrine (wetlands in marshes, swamps and bogs and artificial.

湿地可分为6大类──海洋、河口三角洲、湖泊（包括与湖泊有关连的湿地）、河滨（包括与河溪相关连的湿地）、淡水（包括位於沼泽、草泽及苔地的湿地）和人工湿地。

Type genus of the physidae; freshwater air-breathing snails.

膀胱螺科的模式属；属淡水空气呼吸的螺的一个属。

After introduction of reaction mechanism of LHE water stabilizer containing polyhydroxy carboxylate in CW system and applications in other chemical plants,the author analyzes the feasibility introducing this kind of stabilizer into CW system in nitric acid plant of Sichuan Chemical Co.

介绍LHE聚合羟基羧酸盐水质稳定剂的作用机理以及在其他化工厂循环水系统中的应用实例，设想将LHE聚合羟基羧酸盐水质稳定剂用于我公司硝酸厂循环水系统，将表冷液治理后低浓度氨氮淡水作为循环水系统的补充水，达到氨氮零排放。

A mass of experiments validated that exploitation and rational utilization of saline shallow groundwater, declining the water level to an optimal depth to reducing water invalid evaporation can increase amount of water resources and storage capacity of aquifer, prevent waterlogging or drought, improve groundwater salinity and control the process of soil salination, improve the eco-environment, alleviate the threat for the resource of fresh water.

大量的实验证明，合理开发利用浅层咸水，使咸水水位降低到合理水平，可以：避免地下水的无效蒸发，增加水资源量；增强调蓄能力和抗早防涝能力；促进浅层咸水淡化，改造盐碱地，改善生态环境；减轻对淡水资源的威胁。

Four kinds of mangrove plants,\%Kandelia candel,Bruguiera gymmnorrhiza,Aehiceras Cirniculatum,Sonneratia apetala \%were selected for taming in fresh water for eight months.

选择秋茄、木榄、桐花树、无瓣海桑4 种红树林植物的幼苗，在中山大学附属中学校园内进行了8 个月的池塘和陆地的淡水驯化试验。

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。