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《环境化学》课程PPT教学课件讲稿(英文版)Unit 19 Pesticides

Pests and pesticides Pest: ANY UNWANTED organism that directly or indirectly interfere human activity is called a pest. Pesticides, or biocides are substances that can kill organisms that we consider to be undesirable The most widely used types of pesticides Insecticides Herbicides
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