发现某些声子散射谱中除三个正常峰外还存在一个异常峰。
An abnormal peak has been observed in the Brillouin spectra for some phonons in addition to the three normal peaks.
本文研究存在两种媒质分界面时长方形异常体散射的数值模型。
This paper develops a numerical model for investigating the electro- magnetic scattering by a rectangular inhomogeneity in the presence of an interface between two different media.
荷伯先生认为，大部分的非洲城市就像一个单煎荷包蛋，贫民区与富民区都异常整齐的分开，贫民区从城市边缘散射开来。
Most African cities separate fairly neatly into poor and rich areas "like a sunny-side-up egg", with slums spreading out from the rim, says Mr Hebel.
荷伯先生认为，大部分的非洲城市就像一个单煎荷包蛋，贫民区与富民区都异常整齐的分开，贫民区从城市边缘散射开来。
Most African cities separate fairly neatly into poor and rich areas "like a sunny-side-up egg", with slums spreading out from the rim, says Mr Hebel.
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