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种子生产
释义
种子生产
Encyclopedia
农学
种子生产
释
seed production
种子生产
在保持优良品种群体遗传组成不变的条件下迅速对其扩大繁殖的过程。
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polar medium
polar mesospheric cloud
polar meteorology
polar molecule
polar moment
polar moment of inertia
polar monomer
polar motion
Polar Motion Analysis by Radio Interferometric Surveying
polar mounting
polar net
polar night
polar normal
polar nucleus
polar oblateness
polar observation
polar of a gauge function
polar of aircraft
polar of a nonnegative convex function
polar of a point
polar of a pole
polar of a set
polar of a subset
polarogram
polarograph
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