Ok . I have seen the light of alarm roating light and heard the sound of the alarm horn .
对。我已经看到报警旋转灯的灯光、听到报警喇叭的声音。
Through measuring the radiation quantity around surroundings where radioactive source is placed, it estimates the status of radioactive source automatically, and gives an alarm of light and sound.
仪器通过实时监测放射性源对周围环境的辐射量来判断放射性源所处的状态，并能自动予以声、光报警。
Computer was used to gather and display information about the proportions of air mixing, output pressure, humidity, etc. and give sound and light alarm notice when beyond limitation.
计算机适时采集、显示混合气体的混合比例、输出压力、气体湿度等信息，超限发出声光报警。
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