那你说的“不可见光密度”呢？也是“单位体积内的光子数”？

来源: iwbb 于 2011-11-14 16:00:36 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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