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水产良种
释义
水产良种
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。
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total value of agricultural output
total variance
total variation
total variation bounded
total variation diminishing
total variation diminishing scheme
total variation distance
total variation measure
total variation non-increasing
total variation of a function
total variation of a mapping
total variation process
total variation stable scheme
total vector subspace
total visual magnitude
total wage
total water resource control
total water resources in pastoral areas
total westernization
totameter
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totem
Totem and Taboo: Resemblances Between the Psychic Lives of Savages and Neurotics
Totem and Taboo: Some Points of Agreement between the Mental Lives of Savages and Neurotics
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