以下为句子列表：
英文: A parameter known as the mass density- that is, how much matter per unit volume is contained in the Universe - determines which of the three possibilities applies to the Universe.
中文: 以“质量密度”闻名的一个参数-也就是,在宇宙里含有多少单位体积物质–确定三种可能性哪一种适用于宇宙。
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英文: Abstract: Characteristics of film hole irrigation and effects of irrigation technological parameters on ir-rigating quota are analyzed, and the relationships among discharge per unit width, hole spacing and ir-rigation quota are studied in this paper, bas
中文: 文摘:根据膜孔灌溉大田灌水试验资料，分析了膜孔灌溉特点和灌水技术要素对膜孔灌灌水定额的影响，研究了单宽流量与开孔率与膜孔灌灌水定额的关系。
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英文: According to the plan, mapped out by the National Development and Reform Commission, and the Ministries of Water Resources and Construction, China hopes to cut water consumption per unit GDP by 20 percent compared with 2005.
中文: 根据国家发改委，水利部和建设部制定的这个计划，中国希望与2005年相比每单位GDP减少水消耗百分之20。
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英文: Adoption of practices which improve output per unit of available moisture are critical to the achievement of high yields.
中文: 应用能够改善单位有效水分生产力的措施对取得高产是非常关键的。
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英文: An agreed amount that the company pays per unit of time worked or unit of work done.
中文: 公司按双方商定的支付标准，以计时或计件的方式支付员工工资。
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