引用:
原帖由 futfuk 於 2009-7-24 02:04 PM 發表
is this the same as.... would there be sound if a tree fell but theres no one to hear it?
If you talk about sound wave, you don't need someone to hear
But if you mean "sound" perception , yeah, there will be no sound
That's pretty philosophical
Pretty need to ask Don to join us LOL
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本帖最後由 chefung 於 2009-7-24 02:08 PM 編輯 ]