You can create the directory anywhere on the server or a connected file drive by specifying a full path.
可以通过指定完整的路径，在服务器或连接的文件驱动器上的任何位置创建该目录。
2
Nodes in the virtual network can be thought of as being connected by virtual or logical links, each of which corresponds to a path, perhaps through many physical links, in the underlying network.
OK, so, we've seen that if we have a vector field defined in a simply connected region, and its curl is zero, then it's a gradient field, and the line integral is path independent.