【多图】信以为真的科学误区 |
Re: 误区之五:摩擦是物体表面粗糙度问题
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Re: 误区之四:黄道有12个星座
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Per Aspera, Ad Astra!
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I look up the sky, the starlight was very resplendent. arrogant thought make myself got lost in the out of the aerosphere, without courage to do self-question
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