来自于:http://www.frontiersin.org/files/Articles/93524/fphys-05-00201-HTML/image_m/fphys-05-00201-g001.jpg
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来自于:http://www.frontiersin.org/files/Articles/32237/fpls-03-00225-HTML/image_m/fpls-03-00225-g001.jpg
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