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生物操纵
释义
生物操纵
Encyclopedia
农学
生物操纵
释
biomanipulation
生物操纵
通过控制生态系统中生物种群数量以调节水体中生物群落结构,进而达到改善水质的目的操作过程。又称食物网操纵。
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Drawing Lots from the Golden Urn
drawing machine
drawing-making
drawing member
Drawing Meridian Diagram
Drawing of Artifacts
Drawing of Features
drawing of screw thread
drawing of standard part
drawing of threaded fastener
drawing-room game
Drawings and Descriptions of Official School Buildings
drawings of lecturing
drawing speed
drawing square grid with Chinese unit of length Li
Drawing sword
Drawing Sword Action
drawing texture
drawing tools
drawing without replacement
drawing with replacement
draw in the chest and keep the back straightt
draw loom
draw lots
drawn ore grade
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