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鱼类生物学最小型
释义
鱼类生物学最小型
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农学
鱼类生物学最小型
释
biological minimum size of fish
鱼类生物学最小型
首次达到性成熟鱼类的最小体长。是鱼类种的特征,也是各种鱼类在不同的环境条件下长期形成的适应性,是渔业上规定捕捞对象规格的依据之一。又称鱼类最小捕捞规格。
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celestial axis
celestial baton
celestial body
celestial chart
celestial clock
celestial coordinate
celestial coordinate system
celestial correlation function
celestial cryptography
celestial dog
celestial doppler navigation system
Celestial Ephemeris Origin
celestial ephemeris pole
celestial equator
celestial equator system of coordinate
celestial flail
celestial geodesy
celestial globe
celestial guidance
celestial horizon
celestial inertial guidance
celestial-inertial navigation system
Celestial Intermediate Origin
celestial intermediate origin
Celestial Intermediate Pole
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