1)species conservation,种保存2)species preservation,种保存3)species protection,种保存4)Preservation of bacteria,菌种保存5)Introduction and preservation,引种保存6)propagation and preservation,繁种保存7)species conversing,物种保存8)Variety preservation,品种保存9)breed storage,品种保存10)ex-situ conservation of land plants,迁移物种保存
用法例句
Character identify and seed propagation and preservation of sugarbeet genetic resources;