The devices sound an alarm when they detect excessive radiation and when the dose exceeds a specified level over time.

当检测到过量的辐射超过一定时间时，机器就会自动报警。

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The devices sound an alarm when they detect excessive radiation and when the dose exceeds a specified level over time.

当检测到过量的辐射超过一定时间时，机器就会自动报警。

youdao