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

单词	discretionary costs
释义	discretionary costs [经] 自定的成本, 选择性成本
随便看	mean squares block mean squares error mean squares factor mean-square slowing-length mean squares total mean square successive difference mean-square value mean square value mean square value of periodic waveform mean square velocity mean-square velocity mean-square width mean square within meanss means specific heat means specific pressure means specific propellant consumption means speed means spherical candle power means square contingency mean'st meanstandard mean standard mean standard deviation mean staple length 从令如流从俗就简从俗浮沉从善如流从善如登从善如登，从恶如崩从善若流从壁上观从天而下从天而降閃閆閈閉開閌閌閎閏閑