Availability, dependability and system availability of the double-passage air-to-air middle-far-distance missile weapon system are analyzed. And the efficiency count formulas are given.

分析并给出了双通道空空中远程导弹武器系统的可用性、可信性、系统能力和效能计算公式。

youdao

There was also passage of the Clean Water Act and the Clean Air Act was strengthened.

《清洁水法》也通过了，并且《清洁空气法》也得到了支持。

youdao

Starting in 1942, Allied air forces gained access to air routes across the Arabian Peninsula as well as safe passage for significant wartime resupplies that flowed up the Persian Gulf.

自1942年起，盟军空军就已控制了跨越阿拉伯半岛的航线以及用于运送来自波斯湾的重要战时补给的安全通道。

youdao

Dr Chris Guz explained that patients often reacted as the breathing tube of the ventilator was placed in their air passage.

BBC: Barry McCarney

The air then travels through a passage connected to the cylinders on the right side of the engine, where combustion takes place.

FORBES: The Ten Most Controversial Companies in Green

The caving crew descends through tight passages hundreds of feet beneath the Earth's surface, guided by the gust of air that marks the cave's primary passage.

FORBES: Magazine Article