Important data such as warning limit and latest concentrations are saved into EEPROM in case of power break.

为了防止系统掉电时数据丢失，采用EEPROM保存报警阈值、最新浓度值等重要数据；

youdao

The pre-warning effect not just depends on the quality of forecast method and the warning limit, but relies on whether there is a reasonable pre-warning index system.

预警效果的好坏不仅依赖预测方法的优劣和警界限的准确与否，而且依赖于是否有一个合理的预警指标体系。

youdao

But I'm only going to give you a warning about exceeding the speed limit.

但是我只会给你一个关于超速的警告。

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We filmed 15 vehicles including a bus, a post van and numerous cars which, according to a flashing speed warning sign, were breaking the limit.

BBC: Will a borough-wide 20mph speed limit work?

And the other is, the countries that did get exemptions, do they also get some kind of a warning or another inducement to further limit their imports?

WHITEHOUSE: The White House

The conviction of a trawlerman illegally fishing within Guernsey's 12-mile limit will act as a warning to others, according to the States.

BBC: Brixham registered beam trawler in St Peter Port Harbour