英语词汇“gradation of age classes”的翻译、意思、用法、释义-英汉汉英双解词典

单词	gradation of age classes
释义	gradation of age classes 龄级顺序
随便看	parabolic condenser parabolic cone parabolic confinement potential parabolic congruence parabolic conoid shell parabolic control valve parabolic coordinates parabolic crack parabolic creep parabolic critical line parabolic current parabolic edge section parabolic elements Parabolic-elliptic system parabolic curve parabolic curves parabolic cusp Parabolic cvlinderical reflector antenna parabolic cylinder parabolic cylinder aerial parabolic cylinder antenna parabolic cylinder atenna parabolic cylinder coordinates parabolic cylinder function parabolic cylinder reflector