以下为句子列表：
英文: A calculation comparison on the pipeline network system consisting of pipe sections of short length is made herein with three calculation methods respectively, i. e. neglecting the local energy loss at junctions; adopting constant local energy loss coeffi
中文: 文中分别应用三种计算方法，即忽略结点处局部能量损失、采用恒定不变的结点局部能量损失系数，以及根据试验成果所得的与水流条件有关的半经验公式，针对短管段构成的管网系统进行了计算比较，管段流量的计算结果相差很大。
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英文: For excessive electric energy loss in distribution network in our country, optimal control of reactive power is put forward in distribution network to decrease the line loss and increase the energy utilization rate.
中文: 摘要针对我国电网电能损耗过大，提出在配电网装设无功优化控制以降低线损，提高电能利用率。
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英文: For the more thorough understanding of electromagnetic wave biological effect, this article constructed three media models of the human body, and discussed the energy loss conditions in several media, the relations between the incident and refracted elect
中文: 为了更加深入的理解电磁波生物效应，文章通过对人体构建三层介质模型，利用解析法研究了电磁波垂直入射到人体模型时，在几层介质内的能量损耗状况；入射与透射电磁波之间的关系；给出了入射系数与反射系数的表达式。
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英文: Power network energy loss rate (line loss ratefor short) is an important technical &economic indicator for electric power enterprises, which reflects the comprehensive capability in network plan, design, operation and management.
中文: 摘要电网电能损耗率（简称线损率）是电力企业一项重要的技术经济指标，综合反映电网规划设计、生产运行和经营管理水平。
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英文: The mechanisms of energy loss in the process of heavy ion interaction with biomolecule are analyzed and discussed, the recent related research progresses arc reviewed and some future research directions are indicated.
中文: 摘要对重离子与生物分子相互作用中能量损失的物理机制进行了分析和讨论，对现有电子能量损失的研究进展进行了评述，指出将要研究的方向。
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