明白。

来源: 于 2012-09-15 06:14:45 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

It is a common misunderstanding that distance matters for dof, because it actually is at first sight, 呵呵。

☆ 发自Android 文学城阅览器 4.0.11