In this paper, the stress and deformation of three different structuring forms of ship hull are analyzed under the conditions of the same external load and the equal mass structure.

本文在外载相同、艇体结构质量相等的条件下，对三种不同结构形式的艇体进行了应力与变形分析。

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A dynamic response of circular ring in different supported conditions under impact load is investigated by a dynamic photoelastic method in this paper. Some experimental results are presented.

本文用动光弹方法研究冲击载荷下不同支撑条件的圆环的动态响应，给出部分实验结果。

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The paper analyses the relation of the starting-time and the multiple of starting current and voltage in the current-limited starting process of motor with different character load .

对电动机在不同性质的负载下，恒电流起动过程中起动时间与电压率、起动电流倍数的关系进行了理论分析。

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