“variety evolution”的概念、定义、翻译、参考文献-科学参考

单词	variety evolution
释义	variety evolution Encyclopedia 农学品种演化释 variety evolution品种演化在农业生产逐渐发展的背景下，人类依据生态环境、耕作条件以及自身需求的改变，通过逐代将驯化作物中利于个体生存和繁殖后代的变异进行选择累积，从而演变形成新的种、亚种、品种的过程。又称品种演变。
随便看	rate of grassland turnover rate of growth rate of incidence rate of increase rate of induced abortion rate of interest rate of mass transfer rate of mixing Rate of Natural Increase rate of new stock rate of obsolescence rate of occurrence rate of pay rate of piglet involved rate of planned birth rate of production analysis rate of profit rate of return rate of return on common stockholders’ equity rate of return on insurance funds rate of rodent loss rate of safety economy contribution rate of stellar extinction rate of strain rate-of-strain tensor

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