In addition, users can connect up to seven expansion modules that can read in and output further safety functions.

此外，用户可以连接高达七个扩展模块，方便阅读输入、输出安全功能。

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Rakel is based on the international TETRA standard used to secure radio connections within and between critical public safety functions.

Rakel网基于国际TETRA标准，用于保护重要公共和内部之间的无线连接安全。

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We have certain things that we worry about in a reactor and we call those Critical Safety Functions which need to be in general maintained.

我们有些事情要担心,在一个反应堆里,我们称那些为临界的安全功能,那大部分需要维护。

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Officers now provide critical life safety functions during plane incidents, from firefighting and passenger rescue to basic medical support and assisting in water rescues.

WSJ: Gov't: 4 NY area airports have training violations

But a decision to split the policy and technical food safety functions of the FSA in 2010 did not prevent the FSA "acting properly", the prime minister said.

BBC: David Cameron: Lessons to learn on horsemeat scandal

Once WLAN is adopted for in-car entertainment, the technology could also be used for road-safety and traffic-networking functions.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car