"For the very first time, a large-scale solar power plant, the largest of its kind in the entire nation, will deliver electricity produced by the sun to the citizens of the Sunshine State.

VOA: standard.2009.10.27

Remember that these cells are relatively large compared to bacteria and so diffusion doesn't occur very quickly over this length scale.

要知道这些细胞相对细菌而言,还是比较大的,扩散作用在这种尺度上,发生得不是那么快

耶鲁公开课 - 生物医学工程探索课程节选