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注意事项1、不要一个一个乘。乘来乘去精度就不够了。 2、判断NO是找折射率最小的那个，只要在那个位置不发生全反射，其他位置都不会发生全反射。 3、答案直接第一个除以最后一个就行。 Followed by: Post your reply here: |
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