第三章：光的干涉 - USTC
两列波在空间P点相位差的讨论 B、 Δφ在观察时间内不随时间改变 0 1 cos d cost W MM W ³ ' ' 22 I A A A A I I ' z 1 2 1 2 1 22 cosM 即两列波在空间不同的地点有不同的位相差，叠加后有不
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