那你說的“不可見光密度”呢？也是“單位體積內的光子數”？

來源: iwbb 於 2011-11-14 16:00:36 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.