The time used to test the machine or system to insure that no faults exist or malfunctions are present by using special diagnostic routines for circuit testing or to discern status of conditions or components.
英
美
- 用于測試機器或系統，保證其無(wú)故障運行或無(wú)工作不正常所需的時(shí)間，其間采用特殊診斷例行程序來(lái)檢測電路，判定條件狀態(tài)或部件狀態(tài)。
