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只能有一个答案。- PositronWildhawk
There can only be one answer to this. - PositronWildhawk
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我不知道. .四十什么. . ?——Britgirl
I don't know... Forty something... ? - Britgirl
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答案是正确的。
The answer is correct.
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42.在数学和科学。- divphygamer非常重要
42.Really important in maths and science. - divphygamer
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激光束在空气中是事件在乙醇在37.0度的入射角。所以如果你想找到折射角:N1 sin1 O1 = n2罪O2O2 = sin-1n1罪O1 + 2 = sin-1[1.00][罪37.0度]。- letdot52 ++ 1.36 = 26.3度
Well, A laser beam in the air is incident upon ethanol at an angle of incidence of 37.0degrees. So if you want to find the angle of refraction then:N1 sin1 O1 = n2 sin O2O2 = sin-1(n1 sin O1/n2)= sin-1([1.00][sin 37.0degrees]/1.36)=26.3degrees. - letdot52
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