When Russia launched its full-scale invasion four years ago, Ukraine’s domestic arms industry was poor. Forced to innovate to survive, it has since built a fast-growing defense sector centered on low-cost drones — some designed specifically to counter Iranian-style Shahed drones of the kind that Russia now launches by the hundreds.
Фото: New Africa / Shutterstock / Fotodom
。新收录的资料是该领域的重要参考
В США оценили предложение Зеленского о помощи ВашингтонуДэвис: Предложение Зеленского о помощи США против Ирана не поможет Украине
i know pv = nrt, but i cant remember the specific formula for mean free path. how do we get from one to the other?