a wave length (the horizontal distance between two wave crests), - 零障碍英汉语 - 方便、易学的英汉双语学习平台

a wave length (the horizontal distance between two wave crests),

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波长（两个浪峰间的水平距离）

上一篇: the writer comes to discern things in his material which were not consciously in his mind when he began.

下一篇: and a period (which is the time it takes a wave crest to travel one wave length).

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