This article presents a new active fire control alarm system.

介绍了笔者研制的一种主动型火灾自动报警控制系统。

youdao

The general passive building design and active fire protection systems are noted.

指出了一般的被动建筑设计和积极的火灾防护系统。

youdao

Hot areas glow orange in infrared light, revealing the active fire front on the south and west sides of the burned area. (the orange horizontal stripes are satellite sensor artifacts.)

红外线领域为橙色，主要活跃在燃烧区域的南面和西面(橙色横纹为人造的卫星传感器)。

youdao

Baghdad in active breach of the cease-fire contained in U.N. resolutions.

CENTERFORSECURITYPOLICY: Time to Face the Super-Thug Alone

I'm not sure if the fire is causing them to be more active or just the time of year going into winter.

NPR: Western Wildfires Reach into Montana

Michael Portillo, though potentially formidable, returned to active politics after losing his seat in 1997 with the fire in his belly evidently extinguished, a fact confirmed by his strangely querulous bid for the leadership.

ECONOMIST: Bagehot