The new system can replace classical macroche-mical method for treatment in residue-analysis.

残留物分析可广泛用该体系取代经典法样品处理体系。

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Any time there is a threat of biological or che mical attack, the first thing you hear about is gas masks.

任何时候，只要有化生威胁，你首先听到的讨论就是防毒面具。

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The results from photoelectroche mical technique are in agreement with those from AC impedance technique.

交流阻抗方法 的结果和光电化学的结果相一致。

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