卖方所提供的能充分代表日后整批交货品质的少量实物。
... sentative sample 代表性样品 representative sampling horizon 代表性采样层 representative species 样本 ...
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确定最佳实验方法，准备新产品或工艺修饰产品的代表性样品。
Determine the best method, in consultation with Senior or Principal Process Chemist, and prepare representative samples of new products or the product from process modifications.
收集700个具有代表性样品的光谱，建立其相应指标的近红外模型。
Spectra of 700 typical samples were collected to develop the calibration models, among which the raw spectra were pretreated with first derivative and partial least square.
抽样问题：有关源和代表性样品的证据，你的听众和您使用的是形成清晰的推论并得出结论。
Sampling issues: clarity about the source and representativeness of samples of evidence that your audience and you are using to form inferences and draw conclusions.
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