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In order to control Eriosoma lanigerum in Yuxi effectively, the experiment on the harm characteristics and chemical control was conducted.
为有效防治易门地区危害渐趋严重的苹果棉蚜,开展了该虫害危害特性以及药剂防治的研究。
This article will from the perspective of dialectics of nature, clarify their characteristics, performance and harm, and put forward the corresponding countermeasures.
本文将会从自然辩证法的角度,阐明它们的特征、表现与危害,并提出相应的基本对策。
The paper researches on the characteristics and categories of the crime by analyzing the constitution of the crime, the conformation and harm of the crime.
本文从手机短信诈骗的犯罪构成、完成形态及危害结果入手,对手机短信诈骗犯罪的特点和类型进行探讨。
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