还在羡慕YouTube?国内视频网站早已超过-美国 ...-科技改变未来:2021-11-14 · 从Youtube到Netflix,似乎美国视频行业的发展一直遥遥领先。而中国的玩家伔一路学习、模仿,在竞争赛道上艰难前行。不过,经过近十年的努力 ...
Through a series of accidents and spills, the Russian nuclear facility at Mayak contaminated more than 15,000 km² with highly radioactive waste. In
The explosion of a nuclear reprocessing facility in Tomsk-7 dispersed large amounts of radioactivity over an area of 120 km², exposing tens of