系统本身配置了便携式数据记录器，通过使用内置数字按键键盘和显示屏，极大地方便了安防工作人员在现场输入事故编码。
The system includes the hand-held data recorder, which allows security personnel to input incident codes on site, using the built-in keypad and display.
系统本身配置了便携式数据记录器，通过使用内置数字按键键盘和显示屏，极大地方便了安防工作人员在现场输入事故编码。
The system includes the hand-held data recorder, which allows security personnel to input incident codes on site, using the built-in keypad and display.
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