The theory on elastic impact was used to analyze the shock effect of single particle, which is the main influencing factor of aircraft coating erosion.
运用弹性碰撞理论，分析单粒子的冲击效应对飞行器涂层的影响。
Since 2004 last half, shock effect of high world oil price has been amplified continuously, which makes China's petroleum security face severe challenges.
从2004年下半年至今，国际油价高位强势震荡对我国经济的冲击波效应持续放大，我国石油安全面临严峻挑战。
Since 2004 last half, shock effect of high world oil price has been amplified continuously, which makes China's petroleum security face severe challenges.
从2004年下半年至今，国际油价高位强势震荡对我国经济的冲击波效应持续放大，我国石油安全面临严峻挑战。
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