The capacitance of a metal ball and an infinitely big conductor plane system is sought out by the method of electrical images.

用镜象法求解金属球与无限大导体平板系统的电容。

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Nowadays, the analysis on internal force of structure is based on the hypothesis of plane system, but it can not solve the problem of stereoscopy.

现阶段在工程结构内力分析中，主要是基于平面体系的假设，并不能完全解决结构的空间性问题。

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In view of gate design in commonly adopt design method of plane system, the width of miter gate plate which participative working of the grider or beam is analyzed.

针对闸门设计中常用的平面体系计算方法，分析了人字门钢面板参加主(次)梁工作的有效宽度。

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The plane that's ready to take off or is taking off is not such a system.

但即将起飞或正在起飞的飞机并不是这种系统

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The plane's electrical system may have been a factor.

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But other companies, such as units of United Technologies and other vendors, contribute to the plane's extensive electrical system.

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The students said they had the approval of the flight crew, who let them use the plane's public address system to tell other passengers about their intentions.

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