琵琶是中国许多弹拨弦乐器中最受人欢迎的一种。
The pipa is the most popular of China's many plucked stringed instruments.
当调校弦乐器（定弦）时，应每秒弹拨一次，以保持音符“清新”。
Pluck the instrument once per second to keep the note 'fresh' while you are tuning.
当调校弦乐器（定弦）时，应每秒弹拨一次，以保持音符“清新”。
Pluck the instrument once per second to keep the note 'fresh' while you are tuning.
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