air sampling location 大气采样布点
sampling point location 采样点位置
Location sampling 定位抽样
Time-location sampling 一场所抽样
sampling period and location 采样时期和部位
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The content of fenvalerate in soil near to the grout hole varied with the difference of sampling location affected by seawall soil structure.
由于受海塘土层结构的影响，药物灌浆孔附近土壤中氰戊菊酯的含量随取样部位不同而有差异。
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