So, what evidence of a liquid water environment did we find in rock samples taking from the oldest rocks on Earth?
那么，在从地球上最古老的岩石中提取的岩石样本中，我们发现了什么液态水环境的证据呢？
Sociological studies have found that an increasing number of farmers in Gansu province are abandoning their lands as a result of "the rapid deterioration of [their] water environment." 49.
社会学家的研究已经发现，由于“水资源环境的迅速恶化”(49)，甘肃省农民中被迫放弃耕地的人数正在加大。
Work was energetically carried forward to improve the water environment of Taihu Lake and prevent and control water pollution in the Liao, Huai and Songhua rivers and other key water basins.
太湖水环境综合治理和松花江、淮河、辽河等重点流域水污染防治工作积极推进。
How to effectively govern water environment has caused widespread concern in the whole society.
如何有效治理水环境问题已引起全社会的普遍关注。
Wastewater reuse can resolve the crisis of water resource shortage effectively, and protect water environment as well.
再生水回用可有效缓解水资源短缺危机，并能更好地保护水环境。
Firstly, the water environment character of the watershed is summarized and analysed.
首先，对流域的水环境特征进行总结和分析。
The comprehensive improvement of the urban sewage treatment system and water environment.
城市污水处理和水环境综合整治。
The current states and progress of wetland water environment monitoring technology are outlined.
对湿地水环境监测技术的研究现状与进展进行了概述。
The operation situation of sewage purification plant influences directly the urban water environment.
污水净化厂的运行状况直接影响着城市水环境的好坏。
So, the pollution of water environment of China is not only an area problem, but a nationwide problem.
可见中国的水环境污染已不是一个区域性的问题，而是一个全国性问题。
The output of agricultural nutritive substance is the one of main cause for water environment pollution.
农业生产营养物质的输出是造成水环境污染的重要原因之一。
Objective to research the viable time and the influencing factors of Escherichia coli in water environment.
目的研究大肠埃希菌在水中的存活时间及影响存活时间的因素。
This paper introduces the effluent from cyanide-abstracting gold and its pollution to the water environment.
本文介绍了我国氰化法提金废水的产生及对水环境造成的污染。
The background value of water environment is the major subject of geochemical research of water environment.
水环境背景值是水环境地球化学研究的重要内容。
The general situation of water resources and water environment in coastal areas of Fuzhou City is introduced.
介绍了福州市沿海区域水资源和水环境概况。
However, pollution control is still the priority of water environment recovery and protection in the Taihu basin.
但是太湖流域的水环境修复和保护在本质上仍然还是要先治污。
The water environment quality appraisal is an important groundwork for the water environment management and protection.
水环境质量评价是水环境管理保护和治理的一项重要基础性工作。
From the Angle of water environment protection, some countermeasures for pollution prevention and control are proposed.
从保护水环境的角度提出了防治和控制污染的对策措施。
Focus on the water resources and water environment information inquiry, analysis and appraisal of drainage basin level.
主要侧重于流域层次的水资源与水环境信息查询、分析和评价。
Prognoses of water environment change, micro-water cycle and management technology of water and biology should be focused.
水环境变化趋势预测、微量水循环研究和生物水分调控技术研发将成为水平衡关注的新焦点。
Simulation results show that this scheme makes dry season water quality better and the water environment improves greatly.
模拟结果表明，该方案改善河道枯水期水质明显，水环境质量得到较大提高。
To make a full use of rainwater is an effective way to alleviate urban water crisis and to improve urban water environment.
雨水利用将是我国城市化进程中缓解城市水危机、改善城市水环境的有效措施。
Therefore, soil and water conservation measures on water resources and water environment impact study have been imperative.
因此，进行水土保持措施对水资源与水环境的影响研究已经势在必行。
Water shortage and deterioration of water environment become the constraint factors to the urbanization and social development.
水资源匮缺和水环境恶化已成为制约城市化进程和社会进步的因素。
Calculation of water environment capacity in the tidal river net controlled by gates is an important part of water environment management.
受潮汐影响的闸控河网的水环境容量计算是水环境控制的重要内容。
In the second part, we try to analyze the water environment institution with the method of neoclassic economics and new institution economics.
第二部分试图利用新古典经济学和新制度经济学的方法对水环境制度作一分析。
The main water problems in the Yangtze Delta are flood, aridity and water environment, while the water environment has become the key problem.
长江三角洲的主要水问题有洪涝灾害、干旱缺水、水环境恶化三大问题，其中水环境恶化是核心。
It is a kind of economical and effective means of controlling water-body pollution to avail of water environment purification capacity properly.
妥善利用水环境净化能力是一种经济有效的水污染控制手段。
It is a kind of economical and effective means of controlling water-body pollution to avail of water environment purification capacity properly.
妥善利用水环境净化能力是一种经济有效的水污染控制手段。
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