我们都知道，美国作为第五代隐身战机的开创者，五代机的初代标准也是美国制定的，只有实现4S的战斗机才有资格被称作第五代战机，4S即：Stealth（隐身性）；Super Sonic Cruise（超音速巡航）；Super Maneuverability ...

四代机（美标三代机），只有寥寥无几的飞机能做出类似弗罗洛夫轮盘、钟摆、眼镜蛇、落叶飘等不可思议的机动动作，而具备超机动性能的五代机，则可以轻松做出类似的动作。

However, it’s no slouch, putting out 85 horsepower (and 65 ft-lbs of torque), a notable uptick over the 78 horsepower of 2020 ...

The deepest a submersible of any kind has ever descended, the BBC reported in May 2019, was 10,927 meters or approximately ...

While the threat of drones is still evolving, security teams should expand their security programs to account for air ...

如今，随着我国歼-35A的亮相，标志着我国成为继美国之后，第二个同时拥有两种型号第五代战斗机的国家。作为军事实力的重要标志，第五代战斗机的好消息无疑让所有国人都再一次扬眉吐气，让我们的祖国在世界东方屹立地更加傲然。

摘要：11月5日，中国空军新闻发布会，正式官宣歼-35A将会在珠海航展上和大家见面。歼-35A和歼-20一样都是属于最先进的四代机，这样就形成了“高低搭配”的模式。那么为什么有了歼-20还要发展歼-35？

The aircraft combines flexibility, maneuverability, and a high level of comfort. Pilots said that upon entering the cockpit, ...

The department’s new Pierce Ascendant Tiller will enhance response capabilities for tight urban areas and high-density ...

“The Ascendant Tiller provides unmatched maneuverability and reach, which are critical for accessing high-density residential ...

DIYer Claire Billingsley crafted a tomato-shaped, mounted TV cabinet to cover her plain-looking flat-screen at her Cleveland, ...

China is putting ever greater pressure on the Philippines to cede its sovereign rights in the South China Sea, Manila's ...