... 过敏介质 anaphylactic mediator 毒素残留 residue of poison 二维正态分布 two dimensional normal distribution ...
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Pesticide of Melia plant is widely welcome in the word due to its high efficacy, lower poison, lower residue and its harmony with the environment.
楝属植物杀虫剂因其高效、低毒、低残留和环境和谐性而倍受社会青睐。
A complete utilization new method of zero discharging chromium poison and resource is used to process the waste residue which is discharged in metal chromium and chromium salt producing process.
铬毒零排放及资源完全利用新方法，是处理金属铬和铬盐生产过程中排放的废渣。
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