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产犊指数
释义
产犊指数
Encyclopedia
农学
产犊指数
释
calving index
产犊指数
一个群体内的母牛平均两次产犊间隔的时间。又称平均胎间距、平均产犊间隔。
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soil bacteria
soil biochemistry
soil biodegradable catalytic materials
soil biological antagonism
soil biological pollution
soil biological synergy
Soil Biology and Biochemistry
soil bio-melioration
soil biomineralization
soil bioremediation
soil body reconstruction
soil-borne disease
soil-borne disease of pastoral plant
soil-borne transmission
soil buffering ability
soil buffering capacity
soil buffering substances
soil bulk density
soil calcium
soil capillary water
soil carbon cycling
soil carbon pool
soil carbon sequestration potential
soil carbon sink
soil cartography
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