Due to the limitation of existing techniques, it is important for security departments to employ effective methods in the detection and identification of illicit drugs.
毒品在全社会范围内严重泛滥，由于现有方法的局限性，还缺乏有效的毒品探测和识别的方法。
Due to the limitation of existing techniques, it is important for security departments to employ effective methods in the detection and identification of illicit drugs.
毒品在全社会范围内严重泛滥，由于现有方法的局限性，还缺乏有效的毒品探测和识别的方法。
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