Frequency hopping is the key technology used to suppress interference in Bluetooth system.

跳频是蓝牙使用的抑制干扰的关键技术。

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Service Discovery Protocol (SDP) is one core protocol of bluetooth protocol stack, an important part of bluetooth system and the base of all user mode.

服务发现协议（SDP）是蓝牙协议体系中的核心协议之一，是蓝牙系统的重要组成部分之一，是所有用户模式的基础。

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In the Bluetooth system, the core protocols stack are composed of BaseBand, Link ManagementProtocol, Logical and Link Controller Adaption protocol and Service Discover protocol.

包括基带协议、链路管理协议、逻辑链路控制和适应协议以及设备发现协议，组成了蓝牙系统的核心协议栈。

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Still, a Bluetooth system is the easiest way to play your tunes wherever you want.

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The company claimed it was the first Bluetooth system of its kind to be adopted in Italy.

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From the demo, the whole thing seemed pretty straightforward for anyone who's ever used an in-car Bluetooth system, checking things like stock prices and sports scores, if you're so inclined.

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