In this paper, the Bluetooth technology is generally introduced, and the emphasis is put on the introduction to Host Controller Interface (HCI).

本文首先对蓝牙技术进行了概括性的介绍，重点介绍了主机控制器接口(HCI)协议，并对HCI流程进行了剖析。

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At present, the research of multi-sensor data fusion is focused on the integration algorithm, the technology of human-computer interaction (HCI) is inadequate.

目前多传感器数据融合技术的研究主要集中在融合算法上，对该技术的人机交互研究有所不足。

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