Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.

分别根据工程防护和工程爆破理论，对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究，有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。

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The conclusion is provocative, because it explodes a bomb-shell underneath our society's materialism: Economic growth in affluent countries provides no apparent boost to human morale.

结论是煽动性的，因为它在我们社会的物质主义下起爆了一颗炸弹：富裕国家的经济增长并没有明显地升华人的精神。

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