vacancy n.空,空白,空缺,空虚,空闲...vacancy chromatography 空穴色谱;空穴色谱法...vacancy of succession 无人继承,继承无人...vacancy element 空位元素...vacancy disk 空位盘...vacancy by election 以选举方式填补空缺...vacancy cluster 空位簇...anion vacancy 阴离子空穴...casual vacancy 临时空缺...fill a vacancy 填补空白,补缺...interstitial vacancy defect 间隙空位缺陷...
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