question


2013-6-17 17:58 wilson29

question



Sometimes , we cannot see the writings clearly on a blackboard due to glare.
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1 regular reflection
2 diffuse reflection
3 refraction of light

2013-6-17 18:07 alanyip14532

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regular reflection �a...= =

2013-6-17 18:12 wilson29
�ڨ���ܺ��I�ѭ��tdiffuse flection

2013-6-17 18:21 alanyip14532

�^�_ #3 wilson29 �����l



�ªO�����Ӫ�,��diffuse reflection����= =?

2013-6-17 18:31 wilson29

�^�_ #4 alanyip14532 �����l



0k �w��

2013-6-17 19:05 alanyip14532

�^�_ #5 wilson29 �����l



�A���X?

2013-6-17 19:09 wilson29
[quote]�쩫�� <i>alanyip14532</i> �� 2013-6-17 19:05 �o��<br />
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3

2013-6-17 19:13 alanyip14532

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�ڳ��O,���L��Ū����..../w\

2013-6-17 19:21 wilson29
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2013-6-17 19:28 alanyip14532

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2013-6-17 21:43 ababb
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2013-6-18 11:36 kingking
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