effective at在 ... 效率高
effectiveadj.有效的;生效的;实际的
effective scanning有效扫描
effective coverage有效区域,可达范围
Effective Transfer有效转移
effective response有效的反应
effective guidance实效性指导
effective lifetime有效寿命
effective salinity有效盐度,有效含盐量
effective fraction有效部位
effective tax plan有效税收筹划
effective alliance有效联合