能源安全是国家发展的重要保障,我们必须加大科技创新力度,提升油气勘探开发效率。
I’m not a guy that’s going to back down from a challenge.
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.
这只狗叫桑迪。我喜欢桑迪。它不聪明,但非常快乐。