...---ja11 - docin.com豆丁网 nm 的红光(red light,R)促进,其中最大促进波 长为660nm,而被690~780nm 的远红光(far red light,FR)抑制, 其中最大抑制波长为730nm。
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植物吸收大部分照射到它们的红光,但只吸收部分照射到它们的远红光。
Plants absorb most of the red light that hits them, but plants only absorb some of the far-red light that hits them.
顶部的植物会吸收大部分的红光进行光合作用,但反射大部分的远红光。
The plant on top would absorb most of the red light for photosynthesis, but reflect most of the far-red light.
一些生物学家假设,如果一株植物处在另一株植物的荫蔽下,它就会停止生长,当它感知到红光与远红光的不寻常比例时,反应就会触发。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
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