“selection breeding of fruit tree”的概念、定义、翻译、参考文献-科学参考

单词	selection breeding of fruit tree
释义	selection breeding of fruit tree Encyclopedia 农学果树选择育种释 selection breeding of fruit tree果树选择育种利用果树现有种类、品种的自然变异群体，通过选择的手段而育成新品种的途径。
随便看	ionoscope ionosonde ionosorption ionosphere ionosphere disturbance ionosphere map exchange format ionospheric beacon sounding ionospheric delay ionospheric delay correction ionospheric direct sounding ionospheric disturbance ionospheric disturbances ionospheric dynamo ionospheric dynamo effect ionospheric eclipse ionospheric effect ionospheric HF oblique sounding ionospheric instability ionospheric irregularities ionospheric irregularity ionospheric modification ionospheric parameters ionospheric propagation of ultrashort wave ionospheric radio wave propagation ionospheric refraction

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