The induction frequencies of pollen callus and pollen plants in F2 hybrid plants was nuch higher than those in F1 hybrid p lants.是什么意思_The induction frequencies of pollen callus and pollen plants in F2 hybrid plants was nuch higher than those in F1 hybrid p lants.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句