求翻译：在复合氨基酸的制备中，对蚯蚓进行了脱脂、脱色、除臭试验进行了研究，选取提取温度、水解时间、pH、底物浓度对水解条件的影响。是什么意思？

Earthworms in the preparation of compound amino acid skim, discoloring, deodorant test, select the extraction temperature, hydrolysis time, ph, the influence of substrate concentration on the hydrolysis conditions.

In the composite amino acids produced by earthworm IN THE skimmed, bleaching, and deodorization pilot study was carried out, and select Extract temperature, hydrolysis time, pH concentrations, the effects of hydrolysis conditions.

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In the preparation of compound amino acids, the earthworm has been skimmed, bleaching, deodorization experiment conducted a study, select extract of hydrolysis time, pH, temperature, substrate concentration on effect of hydrolysis conditions.

In the compound amino acid preparation, carried on the degreasing, the decolorization to the earthworm, deodorized the experiment to conduct the research, the selection extraction temperature, the hydrolisis time, pH, the substrate concentration to the hydrolisis condition influence.