occurrence
（矿床等的）存象
occurrence【矿】
暂无补充释义。
相关词条
occurrence time
occurrence
occurrence
occurrence
occurrence
rate of occurrence of criminal cases【法】
frequency of occurrence of speech sound【声】
occurrence【矿】
暂无补充释义。
occurrence
occurrence time
occurrence
occurrence
occurrence
occurrence
rate of occurrence of criminal cases【法】
frequency of occurrence of speech sound【声】