Conclusion 5-Qiangjia base furfural test sampling locations in the upper central location disinfected trips;
结论：5-羟甲基糠醛检测取样位置在灭菌车次上层中央位置；
The groundwater monitoring network design involves the determination of the sampling locations and sampling frequencies to characterize the contaminant plume in an aquifer over space and time.
地下水污染监测网的设计包括取样点在空间上的采样位置和时间上的取样频率这两方面的确定，其目的是为了准确刻画污染羽在含水层中随时间的变化状况。
A third of the kids also carried a backpack fitted with an air-sampling device and a GPS to pair up readings and precise locations.
其中三分之一的儿童还随身携带一个背包，内置空气取样器和GPS，以便将取样器的显示数据和确切位置相匹配。
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