É ¬èµ›æ›²ï¼ˆ1792å¹´é²çƒ å¾· åˆ å°”åˆ›ä½œæ›²ç›®ï¼‰ 百度百科: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.