Effective gas有效气
effectiveadj.有效的;生效的;实际的
effective index approach有效折射率
effective radium content有效镭含量
effectiveness estimation效能评估
effective microorganisms有效微生物群
effective drying surface有效干燥面积
effective length of bolt螺栓计算长度
effective absorbing area有效吸收面积
effective electric field有效电场
effective thyroxin ratio有效甲状腺素比值
effective characteristic效应特点