The fencing among modern pentathlon is a combat in short circuit. Its objective is to hit received. The straight thrust skill is the most important swardsmanship.
前言：现代五项运动中的击剑项目是两个运动员短兵相接的直接交锋项目，以“刺”中对手为目的，其中的“直刺”又是“刺”的技术动作的关键。
Test results from an experimental investigation of the effect of nozzle on the thrust of a straight tube pulse detonation engine are presented.
在直管脉冲爆震发动机上安装不同类型的喷管，利用推力传感器测量了不同频率下发动机的瞬态推力和平均推力。
Therefore, this research would provide a instructive reference straight for the structure design of thrust-vectoring motor and jet et vane.
研究的结论可以为推力矢量发动机及燃气舵的结构设计提供直接的参考。
Therefore, this research would provide a instructive reference straight for the structure design of thrust-vectoring motor and jet et vane.
研究的结论可以为推力矢量发动机及燃气舵的结构设计提供直接的参考。
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