1.The vacant place is taken by one of the outer electrons which thus leaps from an outer to an inner "shell" .
真空穴由一个从外“壳”跃至内“壳”的外层电子来填充。
2.Although is a person's vacant place, startled colorful fleeting time.
虽是壹个人的空场，惊豔了流年。
3.Application of Caving Blasting of Vacant Place in Open Pit Mining
采空区塌陷爆破在露天开采中的应用
4.Analysis of Damage Characteristics of Cover Rock in Vacant Place of Datong Mining Area
大同矿区采空区覆岩破坏特点分析