signal fire

基本解释

A signal fire might attract rescuers.
信號火光會把救援的人引來。
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The second , research the acting means of presentiment system, this part is consist of spy and patrol signal fire transferring and recovery per se.
第二部對漢代居延地區候望系統的運作方式進行研究，由偵察與巡邏、烽火傳遞與烽燧自身的防禦等幾個方麪的內容搆成。
So there was no half-starved band of survivors huddled in one sealed room using the computer as shipwrecked sailors would a signal fire. Just a machine that had somehow activated itself.
因此，那裡沒有餓的半死的生存者，卷縮在一個密封房間裡，竝象沉船的船員用信號火來求救一樣，去使用計算機來求救。也許這衹是一台機器因爲某種原因，自己激活了自己吧。
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The explosion was a signal for all Confederate guns surrounding the fort to open fire.
That explosion would signal the other guns surrounding the fort to open fire.

The blazes could signal a difficult fire season ahead.
NPR: Fire Forces Evacuation Of Campus, Homes In Calif.
Plano, Texas was able to serve 7.5 square miles per fire station with signal preemption, compared with 5.6 square miles without it.
FORBES: Magazine Article