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植物源杀虫剂
释义
植物源杀虫剂
Encyclopedia
农学
植物源杀虫剂
释
botanical insecticides
植物源杀虫剂
利用从具有杀虫特效的植物中提取的有效成分制成的药剂。又称植物杀虫剂、生物农药。是在对一些植物所具有的杀虫活性及其具有杀虫活性的有效成分研究的基础上发展起来的绿色、安全农药。
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gold and silver inlaying
gold and silver ware of Qin and Han Dynasty
Gold and Silver Wares from Nanyue King's Tomb
gold and silver wares from the Famen Temple
gold and silver wares from the hoard of the Tang Dynasty at Hejiacun
gold and silver wares of the Liao Dynasty
gold and silver wares of the pre-Qin period
gold and silver wares of the Qin and Han Dynasties
gold and silver wares of the Song and Yuan Dynasties
gold and silver wares of the Spring and Autumn and the warring states periods
gold and silver wares of the Tang Dynasty
gold and silver wares of the Wei,Jin,and Southern and Northern Dynasties
gold and silver works
gold and silver works in the Ming and Qing Dynasties
Gold Award Huiming tea
Goldbach
Goldbach comet
Goldbach conjecture
Goldbach number
Goldbach partition
Goldbach problem
Goldbach's conjecture
Goldbach theorem
Goldbach-type theorem
Goldbach-Vinogradov theorem
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