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tuning fork
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由金属(多为钢)制成的U形声学器件(见图),它能产生频率稳定单纯的纯音,提供频率标准。
Physics
光学、声学
声学
tuning fork
音叉
tuning fork
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Longju Opera Theatre of Gansu Province
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long leg fly
Longlian
long life
long life asphalt pavement
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long lifetime
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long line
longline fishing
longline fishing vessel
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Longlinian Stage
long lived complex
long-lived particle
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