Methods The aggregation pheromone was extracted from epidermis and analysed by gas chromatography(GC).

方法 提取德国小蠊聚集信息素，用气相色谱检测各组分的相对含量。

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Methods The aggregation pheromone was extracted from epidermis and analysed by gas chromatography(GC).

方法 提取德国小蠊聚集信息素，用气相色谱检测各组分的相对含量。

youdao