各位大侠对此图有何理解,{A consequence of the Tafel behavior is that discharge curves can be superposed by shifting the cell potential by a term (RT/acF)ln(Rload), where Rload is the load resistance. Figure 2 shows the raw data, and Fig. 3 shows the collapsed data.}这句话怎么理解啊, 图2 即上图,图中标记了的那句话又如何理解啊。望大家能够指点迷经。