英语词汇“replacement level”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	replacement level
释义	replacement level 置换水平(指保持人口总数原来水平的出生率)
随便看	soundranging sound ranging adjustment sound ranging altimeter sound-ranging altimeter sound-ranging base sound-ranging company sound ranging control sound-ranging control sound ranging instrument sound ranging location sound-ranging location sound ranging observation post sound ranging platoon sound ranging plotting board sound rangings sound ranging section sound-ranging station sound-ranging technique sound ray sound-ray diagram sound ray diagram sound rays sound ray trace sound ray tracking plotter sound reading 棪棫棬棬3 棭森森1 森2 森3 森4 □ □ □ □ □ □ □ □ □ □