Yun - nan local goat是什么意思 Yun - nan local goat怎么读
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- Our country richs in plentiful goat resources.In order to exploit for breeding and production,we should class the goat breeds in qusntative methods.
我国地方山羊品种资源极为丰富，为了育种和山羊生产的需要，需要定量分类。
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