对LMP协议层的蓝牙数据包结构、链路的建立和管理、状态机和状态管理、微微网主从设备切换等进行了详细的阐述。
The LMP protocol layer contain bluetooth data packet struct, link creation and management, state machine and state management, piconet, master-slave equipment switching.
MIDI 切换器允许在多个设备之间进行切换，并且不需要物理地更换电缆。
A MIDI switcher allows switching between multiple devices, and eliminates the need to physically repatch cables.
所以我得亲自数一遍从中午到下午6点种这6小时内我切换设备的次数。
I decided to count how many times I switched devices between noon and 6pm, so a 6 hour period.
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