The development of an early-warning system has reversed that trend.

安全预警系统的发展扭转了这一趋势。

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By making our estimates available each day, flu Trends may provide an early-warning system for outbreaks of influenza.

通过我们每天的评估，流感趋势项目可以为流感的爆发提供一个早期预警系统。

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Again, this is an early warning system that allows you to concentrate prevention and treatment efforts on areas in greatest need.

再一次，这是一个预警系统，使你们能够集中努力在最有需要的地区进行预防和治疗。

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The FBI is seeking to develop an early-warning system based on material "scraped" from social networks.

BBC: FBI plans social network map alert mash-up application

Since Fuerteventura has now installed an early-warning system, the new targets are Tenerife and Gran Canaria.

ECONOMIST: Spain and immigration: Still they come | The

The SFL also plan an early-warning system with HMRC to alert them to any more clubs facing financial difficulties.

BBC: Dundee hit with 25-point penalty