放牧生态系统调控效应Ⅳ.促生长剂对放牧绵羊消化吸收量的调控效应
방목생태계통조공효응Ⅳ.촉생장제대방목면양소화흡수량적조공효응
Effect of the stimulant growth on digestion and absorption of grazing sheep
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