The daily changes of photosynthetic rate in cotton(C 3 plant) and maize(C 4 plant) show double-peak curves, while Kalanchoe pinnata pers(CAM plant) shows single-peak curve.是什么意思_The daily changes of photosynthetic rate in cotton(C 3 plant) and maize(C 4 plant) show double-peak curves, while Kalanchoe pinnata pers(CAM plant) shows single-peak curve.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句