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1.The swing amplitude of the pendulum is directly proportional to its length.
摆的振幅与它的长度成正比。
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2. The amplitude of the wave is affected by the depth and speed of the water.
波幅受水深和速度的影响。
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3. The amplitude of the oscillation is measured in units of wavelength.
振荡的振幅以波长为单位测量。