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放牧家畜良种率
释义
放牧家畜良种率
Encyclopedia
农学
放牧家畜良种率
释
grazing livestock improved seed rate
放牧家畜良种率
在放牧家畜群中良种家畜数量占其家畜总数的百分比。良种家畜是指有一种或多种遗传稳定且对人类有益的性状(如生产性能、饲料效率、抗病力、抗应激能力等)的家畜品种。
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circumlunar trajectory
circum-medial triangle
circummeridian altitude
circumnavigation
circumnormal triangle
circumnuclear
Circumnuclear Disc
circumnuclear disk
circumnuclear star formation
circumnuclear star-forming ring
circumnutation
circumoral crown
circum-orthic triangle
circumoval precipitin test
Circum-Pacific tectonic domain
circum-pacific volcanic chain
circumpharyngeal nerve
circumplanetary
circumplanetary flight
circumplanetary matter
circumplanetary orbit
circumplanetary satellite
circumplanetary space
circumplanetary trajectory
circumpolar
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