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单词
pest control operation
释义
pest control operation
Encyclopedia
农学
有害生物防治
释
pest control operation;PCO
有害生物防治
用各种方法和技术针对危害人类健康、侵扰人类居住环境的有害昆虫和有害动物进行综合治理,实现有效控制。
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complete subcategory
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Complete Tablature Scores of Peking Opera
complete tensor product
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