机构页面显示谁在运行系统、有哪些公共证据,以及哪些问题仍未得到回答。
打开一个系统,查看谁会受到影响、哪项来源支持该说法,以及是否有人可以复核或纠正错误。
Canada has more than 50,000 publicly owned bridges.
Molecule discovery is at the root of new health and other scientific discoveries, but the process of identifying the molecules needed for a specific cause is often slow and very costly.
As their numbers surge, uncrewed aerial systems (UASs), commonly known as drones, will pose more hazards than ever to privacy, security, lives, homes and infrastructure.