以下为句子列表：
英文: Abstract: Tensile reducer is one of the necessary apparatuses during the pipe production process at present.This paper deduces a multi-variation formula by using the energy principle and adopting upper limit method.The formula can be used to calculate the
中文: 文摘:张减机是钢管生产中不可缺少的设备之一.本文从一般能量原理出发，采用上限法推导出一个多变量公式，利用该公式可求解电机功率、张力系数、轧辊转速、出口钢管壁厚、孔型椭圆度等参数，并且从理论上计算出电机负功率的存在.
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英文: At last, the formation and development of transient saturated zone, and the distribution and variation of transient water pressure in the process of infiltration under different rainfall degrees are described by an example.
中文: 最后，通过算例分析了不同降雨强度下入渗过程中暂态饱和区的形成、发展以及暂态水压力分布、变化。
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英文: Based on the principle analysis of the vehicle driving wandering and the computer simulation validation, the vehicle driving wandering caused by the variation of these parameters such as camber angle, toe angle, caster moment arm, scrub radius, parallelis
中文: 摘要通过对汽车行驶跑偏的机理分析，并应用计算机仿真进行验证，对由于尺寸误差所引起的外倾角、前束角、主销拖距、主销偏置距、前后轴平行度等参数的变化对汽车行驶跑偏的影响进行深入的分析和探讨。
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英文: A STUDY ON THE OVARIUM ANNUAL VARIATION AND SEX TRANSFORMATION OF EPINEPHELUS AWOARA IN NORTH SEA WATERS OF ZHEJIANG PROVINCE
中文: 浙江北部水域青石斑鱼Epinephelus awoara卵巢周年变化及性转变的研究
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英文: A study on the variation of total alkaloidal content in the genus Uncaria of Guangxi
中文: 广西钩藤属植物中总生物碱含量变化研究
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