S 开头单词

secondary compression index [机械工程]次压实指数

secondary combustion air [经济学]次级燃烧空气

secondary colour 合成色

secondary collecting-duct [生物学]次级集合管

secondary collecting duct [生物学]次级集合管

secondary cold front [地球科学]副冷锋

secondary coil [电] 二次线圈，[电] 次级线圈

secondary code [电子、通信与自动控制技术]副吗[医药科学]副吗

secondary circuit [电] 二次电路，[电] 次级电路

secondary chromosome mutation [医药科学]次级染色体突变

secondary chromatic aberration [经济学]二次像差

secondary chest infection [医药科学]胸部继发性感染

secondary cell [电] 蓄电池

secondary carnivore [环境科学技术]次级肉食动物

secondary calibration method 二级校准法

secondary bronchus [医药科学]次级支气管次枝气管

secondary broad-leaved forest [农业科学]次生阔叶林

secondary branchlet [医药科学]副小枝

secondary boycott 间接抵制

secondary body cavity [生物学]后成体腔