system may not be able to handle complex tasks
Half of flood defences – around 100,000 - are maintained by the Environment Agency and 9% of those are currently below their target condition. Each defence is given a score out of five they must achieve depending on their importance.
。Line官方版本下载对此有专业解读
（一）核材料，是指需要管制的核材料，包括铀—235及含铀—235的材料和制品，铀—233及含铀—233的材料和制品，钚—239及含钚—239的材料和制品，法律、行政法规规定的其他需要管制的核材料，不包括铀（钍）矿石及其初级制品。
This is quick because it's operating on a very small, localized part of the map.