man topで表示される PRI is the current priority of the process, NICE is the nice amount (in the range -20 to 20), SIZE is the total size of the process (text, data, and stack), RES is the current amount of resident memory (both SIZE and RES are given in kilobytes), STATE is the current state (one of "START", "RUN", "STOP", "ZOMB", "DEAD", or "CPU") or wait channel if the state is SLEEP, TIME is the number of system and user CPU seconds that the process has used, WCPU, when displayed, is the weighted CPU percentage (this is the same value that ps(1) displays as CPU), CPU is the raw percentage and is the field that is sorted to determine the order of the processes っていうのはどういう意味ですか？