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

单词	protective ratio
释义	protective ratio 保护比
随便看	parabolic camber parabolic catenary parabolic characteristic parabolic chord parabolic chord truss parabolic collineation parabolic column formula parabolic comet parabolic concentrator parabolic conchoid parabolic condenser parabolic cone parabolic congruence parabolic conoid shell parabolic control valve parabolic coordinates parabolic creep parabolic current parabolic curve parabolic cusp parabolic cylinder parabolic cylinder antenna parabolic cylinder coordinates parabolic cylinder function parabolic cylinder reflector 了却君王天下事，赢得生前身后名，可怜白发生了如指掌，一清二楚了如指掌，信手拈来了如指掌，如数家珍了如指掌，对答如流了知不是梦，忽忽心未稳。予一人有罪，无以尔万方。予不得已也予之则喜，夺之则怨，虽人所不免，苟夺之以理，亦无可怨者。予人玫瑰，手留余香。脊背脊门楼脊露螽脊髓脊鳍脍脎脏脏脏乱