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草品种退化
释义
草品种退化
Encyclopedia
农学
草品种退化
释
grass variety degradation
草品种退化
草品种的优良性状在经过几代以后,表现逐步减弱以至变劣,甚至有时出现某些预料不到的不良性状的现象。
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Mindoro Island
Mind Philosophy Aesthetic Education Viewpoint
MindRDR system
MindRDR系统
Mind, Self and Society
mine
mine area development plan
mine atmosphere
mine atmosphere environment
mine audio-current transmitting method
mine backfill
mine blast holes database
mine blasting vibration
mine car
mine cleaner production
mine communication system
mine compressed-air self-help system
mine compressor station
mine control network
mine drainage
mine drainage system
mine dust
mine dust-proof
mine earthquake
mine ecological cost
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