短語(yǔ)詞組短語(yǔ)secondary air ratio 二次風(fēng)率Secondary InterferenceTime Ratio 次干擾時(shí)間率;最后提出次干擾時(shí)間率secondary fission ratio 次生裂變比Secondary Compression Ratio 次要壓縮比Secondary drive ratio 二次傳動(dòng)化secondary emission ratio [物]二次發(fā)射比;二次發(fā)射系數(shù)secondary sex ratio 第二性比;[遺]次級(jí)性比secondary pressure ratio 次流壓比secondary electron emission ratio 二次電子發(fā)射系數(shù)secondary -emission ratio 翻譯;二次發(fā)射比英語(yǔ) 返回 secondary ratio