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- 2015年2月7日 (六) 20:01 (差异 | 历史) . . (+1,447) . . 新 DurrantChevalier259 (以“Speed in photography is called the rapidity with which a sensitized surface is acted o-n by light, usually expressed by several. On-the other hand, get a handle on i...”为内容创建页面) (当前)