The single standing wave mode in a circular cylinder subjected to a vertical oscillation was studied by employing two-time-scale perturbation expansions.
本文利用奇异摄动理论的两时间变量展开法，研究了垂直强迫圆柱形容器中的单一水表面驻波模式。
This paper discusses normal mode and normal frequency, and then standing wave as an important example of normal mode.
本文讨论简正模式、简正频率以及简正模式的重要实例驻波。
Whereas in the vicinity of solar equator, propagating disturbance is regarded as fast mode wave, and a standing disturbance is found to be located near the source region.
而在赤道附近，传播扰动是快模磁声波，在源区附近还存在一非传播的扰动。
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