通过添加回收率试验，选择符合《农药残留田间试验准则》的前处理方法。
The experiments of recoveries were finished, the Pre-treatment methods according with Field Trial Standard of Pesticide Residue were choosed.
通过添加回收率试验，选择符合《农药残留田间试验准则》的前处理方法。
The experiments of recoveries were finished, the Pre-treatment methods according with Field Trial Standard of Pesticide Residue were choosed.
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