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botanical insecticides
释义
botanical insecticides
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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surface stress
surface strip
surface structural effect
surface structure
surface structure analysis
surface structure analyzer
surface structure of crystal
surface subband
surface subdivision
surface subsidence
surface superconductivity
surface supplementary geological survey
surface symmetry energy
surface technology
surface technology modification for tribology
surface temperature
surface temperature inversion
surface tension
surface tension and free energy of solid
surface tension coefficient
surface tension curve
surface tension meter
surface tension of glass
surface tension of solid
surface texture measurement technique
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