sampleite氯磷钠铜矿samplen.样品；样本vt.采样；取样；品尝，体验sample-handling system样品处理系统sample survey techniques样本调查技术sample mean and variance样本平均值与方差sample covariance matrix样本协方差阵,样本协方差矩阵sample selection process抽样过程sampled data measurement样本数据量度sample of measured value测量值采样sample specific behavior样本个性行为sample-drilling method钻芯法检测sample-and-hold cell取样保持单元