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The horn obviously is a brass instrument and what makes the sound is a vibrating column of air.
显而易见的,圆号是个铜管乐器,它通过震动空气柱来发出声音
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Now I didn't use--no hands-- that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.
我没有用手控制,都是十二个半英尺高的震动空气柱,自然产生的音符
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You're running, you're shaking a beaker up here at room temperature.
你跑步，震动烧杯，这都是在恒定温度和压强的情况下的过程。
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Point of absolute rest in a vibrating string we call a node.
一条绳子上绝对震动静止的点,我们称之为节点。
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At the beginning of the rainy season, Baal opens a slit, or makes a slit in the clouds, and thunders and shakes the Earth.
在雨季开始的时候，Baal在云端开一条缝，雷鸣震动大地。
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The modes of vibration in that string are quantized.
在那条弦上的震动模式是量子化的。
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The string is vibrating higher when it's exactly twice what the lower one is.
高音弦的震动频率,正好是低音弦的两倍
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