What is `^M` and how do I get rid of it? - Unix Linux Stack Exchange The ^M is a carriage-return character If you see this, you're probably looking at a file that originated in the DOS Windows world, where an end-of-line is marked by a carriage return newline pair, whereas in the Unix world, end-of-line is marked by a single newline Read this article for more detail, and also the Wikipedia entry for newline This article discusses how to set up vim to
2025-2026 MD Medical School-Specific Discussions Allopathic medical school-specific discussions of secondary prompts, interview invites, and experiences, and general discussions of the admissions process at a particular institution
g 应是 9. 8 N kg,还是 9. 8 m s²? - 知乎 这个问题本质上不是物理问题,真要回答的话,根据定义,1 N =1 kg m s²,等式两边同时除以kg,得到1 N kg = 1 m s²,所以9 8 N kg = 9 8 m s²,两个单位完全等价,证毕。 不过,这个问题里真正有价值的讨论其实是: 为什么我们能够把物理量“力”的单位称为“牛顿”?