深层地下淡水和天然降水是该区主要淡水资源。
The main freshwater resources are deep fresh ground water and rainfall.
在实验室条件下，研究了酸性水对几种主要淡水鱼类的毒性影响。
Under laboratory conditions, the toxicity of acid water on several major freshwater fishes were studied.
去年6月，可口可乐公司就曾宣布一项雄心勃勃的计划：与世界自然基金会(一个全球性的环保组织)合作，旨在保护全球七大主要淡水流域。
Last June it announced an ambitious collaboration with WWF, a global environmental organisation, to conserve seven major freshwater river basins.
这些鱼类分为4个主要生态类型，包括河口性鱼类、近海鱼类、江海洄游型鱼类和淡水鱼类。
These fish could be categorized into four types, including estuarine fishes, marine fishes, diadromous fishes and of freshwater fishes.
当然，我们所使用的淡水主要从海水蒸发而来。
Of course, our fresh water comes mainly by evaporation from the sea.
冰山是由雪形成的冰架或冰川断裂而成，主要由淡水冰组成，一般漂浮在开阔海域。
Icebergs are large pieces of freshwater ice that break off snow-formed ice shelves or glaciers and float in open water.
会上提交了三份报告，主要研究海洋和淡水环境变化对人类造成的危害。
Three studies were presented that examined the dangers that changes in ocean and freshwater environments could cause to people.
长江中下游平原地势低平，河流和湖泊星罗棋布，是中国主要的水稻、淡水鱼产区，素称?鱼米之乡?
The Middle-Lower Yangtze Plain's many lakes and rivers make it particularly suitable for paddy rice and freshwater fish, hence its designation of "land of fish and rice."
对于印度和中国，这两个日渐稀缺的淡水资源消费大国，争夺主要发自国内——尽管只是小面积地区。
With India and China, both prodigious consumers of ever-scarcer fresh water, the rivalries are mostly, though not entirely, internal.
回到先前提到的机用清洁剂，它的主要优点被认为是可以保护淡水资源。
In the case of the new dishwasher detergents, the main benefit is viewed as the protection of bodies of freshwater.
相比之下，淡水河谷主要在巴西采矿。
围绕着环流的减速主要是由风力造成的，还是由冰盖融化后大量淡水的涌入引起的，出现了两种不同的观点。
Argument exists over whether slowdowns are primarily wind-driven, or could be caused by an influx of fresh water from melting ice sheets.
另一家巴西公司Vale(淡水河谷)，通过开采国内丰富廉价的铁矿，成为世家主要的铁矿石供应商之一。
Another Brazilian firm, Vale, has exploited its home country's huge, cheap sources of iron ore to become one of the world's leading suppliers.
虽然我说的主要是指海水鱼和海水鱼的钓法，这些同样的原则亦适用于淡水环境。
And while I mostly refer to fish and fishing in salt water, these same principles apply to the freshwater environment.
恶化的淡水缺乏，沙漠化，温室效应和生物灭绝是环境的主要问题。
The abysmal lack of fresh water, the desertification, the green house effect and the extinction of creatures are the main issues in environment.
鳉鱼属于鳉科的许多种小型鱼，包括虹鳉和蚊鱼，主要栖居在温暖地带的淡水和咸水中。
Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions.
辽宁地区的淡水虎鱼主要分布在辽河和鸭绿江两大河流。
The freshwater goby is mainly found in Liao River and Yalu River in Liaoning.
东洞庭湖区是国内主要商品粮基地之一，也是国内重要的牲猪、芦苇、苎麻商品基地和举足轻重的淡水品养殖基地。
The western area of Dongting lake is one of the main marketable grain base in our country, and an important marketable base for pork, reed hemp and the freshwater aquiculture.
在淡水湖泊中，属于硬酸的元素主要以游离离子存在。
In fresh water lake, trace elements belonging to hard acid exist mainly as free ion.
该区天然气源岩主要形成于淡水—半咸水的河流及湖泊环境。
The gas source rocks in this area were mainly formed in fresh - brackish fluvial and lake environment.
本指南的主要中心是地下淡水资源的管理。
The main focus of this manual is the management of fresh ground water resources.
白鲑一种鲑鱼属，主要是北美淡水食用鱼，通常具有白色或银色的色泽。
Any of various chiefly North American freshwater food fishes of the genus Coregonus, having a generally white or silvery color.
氮素的输入以及富集是导致淡水湖泊富营养化的主要原因之一。
Input and enrichment of nitrogen nutrients is one of the major reasons causing eutrophication of freshwater lakes.
那南极洲怎么办呢？它与格陵兰岛构成了地球淡水资源的一个主要部分。
What about Antarctica, which along with Greenland forms one of the principal stores of fresh water on earth?
阴极发光特征可作为无损鉴别海水、淡水养殖珍珠以及处理养殖珍珠的主要依据之一。
The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls.
阴极发光特征可作为无损鉴别海水、淡水养殖珍珠以及处理养殖珍珠的主要依据之一。
The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls.
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