英语词汇“充要条件--充分且必要条件”的翻译、意思、用法、释义-英汉汉英词典

单词	充要条件--充分且必要条件
释义	充要条件；充分且必要条件necessary and sufficient condition
随便看	manual operations screen manual operation time manual operation unit manual operation unit {=mou} manual operator manual organ manual output manual output，mo manual overhead crane manual override manual override shut-down manual override switch manual override system manual oxygen cutting manual page manual pagination manual part programming manual perforated card manual polarograph manual position manual position mode manual program manual programming manual pull station manual pump