英语词汇“line breeding”是什么意思，“line breeding”的读音、用法及例句翻译-乐坝网

词汇	line breeding
释义	line breedingn.（名词） Selective inbreeding to perpetuate certain desired qualities or characteristics in a strain of livestock.系统育种：为保持特定品质或特征而进行某特定血统范围内的优生育种
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