1、

A comparison test of selected solid cone nozzles with spiral nozzles has been carried out, the variation rule of atomized particle size and distribution rule of atomized particles for swirl nozzles being systematically studied.

选择实心锥喷嘴和螺旋喷嘴进行对比试验,系统地研究了旋流喷嘴的雾化粒径变化规律和雾化粒度分布规律。

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2、

The effects of the extendible exit cone on stability of the thrust vector control system of largescale solid rocket motor are presented and the measures for improving the system stability are suggested.

介绍了喷管可延伸出口锥对大型固体火箭发动机推力向量控制系统稳定性的影响,并提出了改善其系统稳定性的措施。

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3、

The high-quality digital full-body surface of the vehicle is established. The parametric 3D solid models of some important components, such as the nose cone of body, wing surface and cowling, etc, and the fast design of dies are realized.

建立了全机高品质的理论外形数字曲面,实现了重要结构件的三维参数化实体建模(如机身头锥、翼面和整流罩等),以及模具的快速设计。

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4、

A cone is a solid body which narrows to a point from a round, flat base.

圆锥体是底面圆平顶尖的实体.

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5、

the result of the calculation of the conductor resistance of an axially current-carrying circular truncated cone is corrected and the concept of resistance of a solid conductor discussed.

对轴向载流圆台导体电阻的计算结果作了修正,讨论了关于大块导体的电阻的概念,指出在圆台导体两底面半径之差远小于导体长度时,电阻值才为常见的计算值。

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