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1.手环上的运动数据要传回来给app，通过蓝牙传输。2.蓝牙每次只能传输20个字节的数据。3.现在手环上有100个20字节的数据传回给app，app怎么处理。4.我的想法是这100个数据包，通过plist存储。5.合适吗，有较好的方法吗？6.通过蓝牙传输的数据怎么保证准确。
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