In a computer system with (cartridge) mass storage; the amount of data transferred between the staging drives and main storage per second (usually the average for one hour).; 在具有(盒式)海量存儲(chǔ)器的計(jì)算機(jī)系統(tǒng)中，一秒種內(nèi)(通常為一小時(shí)的平均值)在登臺(tái)驅(qū)動(dòng)器和主存之間所傳送的數(shù)據(jù)量。