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This is equivalent to an angular distribution of constituent plane waves.
这等价于各种成分的平面波的角分布。
Effects of them on angular distribution of the exposure are also exposed.
也研究了束参量对照射量角分布的影响。
The field of a harmonic point source in layered media has certain angular distribution.
分层介质中简谐点源的声场具有确定的角度分布。
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