记录控制系统
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record control time system [计] 记录控制时间系统
record control system
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But the more sophisticated units, which allow you to not only automate your piano and control the volume of it, can also record and play back your own recitals and integrate with your home theatre system.
FORBES: Control Your Piano With An iPhone
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