PURPOSE To compare fragmentation effect on stone by wide focus Shockwave with that by sharp focus one.

目的比较窄焦斑与宽焦斑冲击波的碎石效果。

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For effectively measuring the nucleon strange asymmetry, we investigate the light quark fragmentation effect that may affect the measurement of the strange asymmetry.

为了探讨测量这种奇异分布不对称性的有效方法，考察了轻味夸克碎裂效应对测量奇异分布不对称性的影响。

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Based on the indoor model tests and field blasting crater tests, the paper discussed the influence of single closed fissure upon fragmentation effect of blasting with single spherical charge.

本文在室内模型试验与现场爆破漏斗试验基础上，着重论述了单个闭合状裂隙对单个球状药包爆破破碎效果的影响。

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