Process A has its own data, its own copy of the program, its set of open files, and its own collection of environment variables, which were initially captured when Process A sprang into existence.
进程 A 有属于自己的数据、程序的副本、打开的文件集，以及自己的环境变量集，当进程 A 刚出现时，会对它们进行初次捕捉。
2
The snapshot contains a set of data regarding the program state and measurement information accumulated up to a specific point of time.
快照包含一组关于积累到一个具体时刻的程序状态和量度信息的数据。
3
Generally, they start off with a "base" set of data that is known to be available to the program — stack data, global variables, and registers.