阮是一种具有两千多年历史的中国弹拨类乐器，起源于秦汉。
Sound Power Level Measurement of Ruan, a Chinese Traditional Plucked Stringed Instrument;
弹拨鼓是一种中东的手持鼓类乐器，常以独奏方式来表现表演者在节奏和速度灵巧的功力。
The tambour is a hand drum instrument found in the Middle-East. It is often played solo to show the performer's dexterity in rhythm and speed.
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