[统计] 连续频率函数 continuous function: 不连续函数; 连续操作; 连续功能; 连续映射frequency function: 概率密度函数; 频率函数;频率因数absolutely continuous function: 绝对连续函数completely continuous function: 完全连续函数concave continuous function: 凹型连续函数下载手机词典可随时随地查词查翻译