应重视测试性和机内测试的研究测试性是一种设计特性，它表示设备或系统的状态能够及时确定并隔离其内部故障的能力，通常用故障检测率、故障隔离率、故障隔离时间和虚警率等参数来度量。机内测试（ＢＩＴ）是设备或系统内部所提供的自动检测和隔离故障的综合能力，它是改... Tests should be emphasized and in-house testing testability is a design feature that indicates the state of the equipment or system to identify and isolate its internal failure in time, usually with fault detection rate, fault isolation rate, fault isolation time and False alarm rate and other parameters to measure. In-machine testing (BIT) is a comprehensive capability to automatically detect and isolate faults provided inside a device or system ...