China and the United States have held their first dialogue on outer spacesafety in Washington.
中国与美国就外太空安全问题在华盛顿进行了首轮会谈。
2
I knew what it meant: The handrail could be completely pulled off and the safety tether might break, and I might therefore be pushed into space.
我知道这意味着什么：扶手可能会被完全扯下来，安全绳可能会断裂，我可能因此被推到太空中去。
3
For example, you can use compression to save media space, use cloning to duplicate the archive for safety reasons, or restore the data onto another server instance.