常見例句雙語例句Total chlorophyll content and net photosynthetic rate decreased.總葉綠素含量、凈光合速率下降；Therefore, the photosynthetic rate of grafting plant increased mainly due to expanding total leaf area of melon plant.因此，嫁接主要是通過擴大植株的總葉面積來提高植株的光合速率的。 返回 photosynthetic rate