以下为句子列表：
英文: Abstract: Construction of returing the gain polts to grass project area of Sangequanzi Shawan County completely change that we do not understand great role of grass land in dry land ecological system and an important position in national economy developme
中文: 文摘:沙湾县三个泉子退耕还草项目区的建设，彻底改变了长期以来由于草地在陆地生态系统中的巨大作用和在国民经济发展中的重要地位未被充分认识，加之受传统的重农轻牧，重牧轻草，轻草贱草等社会思想的影响，彻底改变了草地建设等许多措施没有落到实处，尤其是草地生态建设的步伐远远不能适应生态环境发展要求的现状。
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英文: Energy is the currency of the ecological system and life becomes possible only when food is converted into energy, which in turn is used to seek more food to grow, to reproduce and to survive.
中文: 能量是生态系统的货币，只有当食物转变成为能量，能量再用来寻找更多的食物以供生长、繁殖和生存时，生命才成为可能。
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英文: It is necessary to build the system of sustainable development laws under scientific idea about development, since our country faces the serious problems such as resource shortage, environment worsening and ecological system to be damaged.
中文: 摘要由于我国面对日益严重的资源短缺、环境恶化、生态破坏问题，亟须在“科学发展观”的指导下建立起可持续发展法律体系。
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英文: Plus the returning water of 126×10^8m^3, the quantity of water which can supply the ecological system amounts to 428×10^8m^3, and the actual ecological water demand is 385×10^8m^3, so the water demand of the ecological system can be satisfied on the whole
中文: 定量计算表明：其809亿立方公尺的径流性水资源中，直接留给天然生态的水量有302亿立方公尺，加上126亿立方公尺回归水的间接支援，可供生态系统消耗的水资源达428亿立方公尺，相对于385亿立方公尺的现状生态需水，除黑河和石羊河流域外，生态系统的需水基本上能得到满足。
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英文: The connotation of modern water resources planning is to keep a virtuous circle of ecological system during supporting social and economic development through development and utilization of water resources.
中文: 现代水资源规划内涵是水资源的开发利用在支撑经济社会发展的过程中，应保持生态系统的良性循环。
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