• This paper introduced the design purpose and working principle of Model JY Train Approaching Announciator and analyzed the features of the system.

    介绍了JY列车接近语言预警机的软、硬件设计工作原理技术特点进行了分析

    youdao

  • Voice call the police briefness safety dependable possesses battery capacity lack sensor damage warning can timely remind consumer to announciator proceed maintain.

    声音报警,简单、安全可靠具有电池容量不足传感器损坏警告及时提醒用户报警器进行维护。

    youdao

  • Voice call the police briefness safety dependable possesses battery capacity lack sensor damage warning can timely remind consumer to announciator proceed maintain.

    声音报警,简单、安全可靠具有电池容量不足传感器损坏警告及时提醒用户报警器进行维护。

    youdao

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