另外，可以接收数据日志，报警，并简要汇报了四个不同的电子邮件地址作为附件的电子邮件，在用户定义时间时期。
In addition, you can receive data log, alarms, and summary reports at up to four different email addresses as an attachment to an email at user defined time periods.
本文就是学习如何对一个小区的煤气泄漏进行监控，并设计了一个监控四个单元的煤气报警系统。
This text studies how to let out and control the coal gas of a district, and has designed a coal gas warning system of controlling.
该模型是配有四个重复报警总数：1。
The model is equipped with a total of four repeat alarms: 1.
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