“aquatic improved varieties”的概念、定义、翻译、参考文献-科学参考

单词	aquatic improved varieties
释义	aquatic improved varieties Encyclopedia 农学水产良种释 aquatic improved varieties水产良种广义指生长快、品质好、抗逆性强、性状稳定和适应一定地区自然条件并用于养（增）殖生产的水产原种和新品种。狭义指水产新品种。即经多代人工选择育成的具有遗传稳定，并有别于原种或同种内其他群体之优良经济性状及其他表型性状的水产品种。
随便看	production rate of local entropy density production reactor production riser production rule Production safety accident emergency rescue system production safety accident investigation and listing supervision system production safety accident reporting and investigation of treatment system production safety and health administrative litigation production safety and health legal system production safety technology of petroleum logging production scheduling production scheduling and sequencing production scheduling of mineral processing plant production scheduling problem production semi submersible production service enterprise resource planning production simulation for electrical generating system production site video monitoring system production smoothing production specialization production station production strength production submission production suitability zoning of Chinese materia medica production system

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