effective lap有效搭接
effectiveadj.有效的;生效的;实际的
effectiveness of Learning学习成效
effective length of piler钻芯检验
effective section modulus有效剖面模数
effective natural enemies有效天敌
effective irrigation area有效灌溉面积
effectiveness examination效果检测
effective stress analysis有效应力分析
effective cadmium cut off有效镉截止值
effective dose equivalent有效剂量当量,有效线量当量
effective acoustic center有效声中心