你好，
>>的问题是怎样才能在传输的时候在一帧内连续传输15个事务使USB传输速度最快？
下面的链接提供了 批量传输事务的方法。
步骤 1：获取传输缓冲区。
步骤 2：格式化并发送框架请求对象至 USB 驱动程序堆栈。
步骤 3：实现请求的完成例程。
https://msdn.microsoft.com/zh-cn/library/windows/hardware/ff539199(v=vs.85).aspx#___1_________
Best regards,
Cole Wu
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