sample oil成品油samplen.样品；样本vt.采样；取样；品尝，体验Sample observation method留样观察法sampled--data systems采样系统sample preparation system制样系统sample representativeness样品代表性sample significance level样本显著性水平sample standard deviation样本标准差,样品标准偏差,样本标准偏差,样品标准差sampled-data measurement样本数据量度sample microwave digestion微波溶样sample and hold subroutine取样与保持子例程sample and hold commutator采样及保持转换器