sampling spot optimization 试验点优化
spot sampling [统计] 定点取样
fixed-spot sampling 定点采样
sampling on the spot 现场采样
In winter, the content of respective sampling spot is as follows: Water Plant is more than the No.
在冬季各采样点多环芳烃含量大小为河西水厂>市九中>广西假肢厂>柳州市监测站；
Point sample and solvent evaporating integration, seven channels can be automatically sampling, spot diameter less than 3 mm.
点样和溶剂挥干一体化，七通道可同时自动点样，斑点直径小于3毫米。
Method Distribution of Escherichia Coli was learned by spot sampling.
方法采用病房现场采样，了解大肠埃希菌的分布。
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