【摘要】 综述了国内外微差爆破技术的研究现状，并结合爆破工程实践，分析了微差爆。破降低地震效应和改善破碎效果的主要原因，对选取合理的微差延时时间、控制起爆网路准确延时，提出了作者的看法。更多还原

【Abstract】 Based on a vast amount of relevant documents and integrated with engineering practice, this paper summarizes the current studies on milisecod blasting technique at home and abroad, analy ses the main reasons for milisecod blasting to reduce vibration and improve crush effects, pre sents some views about selecting the reasonable short deay time and contrlling the deferment ac curacy of detonation network.更多还原