failing: n.缺点，弱点，短处；失败。1.如果没有…。2.如果在…中失败。短语和例子F- good weather, the lecture will be held indoors. 如果天气坏，讲演会改在室内举行。 F- election, she will return to her law practice. 如果竞选失败，她将重操旧业去当律师。adj.失败的，减弱中的，衰退
As an example , a functional fmea would consider that a capacitor is intended to regulate the voltage and then analyze the effect of the capacitor not regulating the voltage rather than considering what occurs if the capacitor fails open or fails shorted 例如：功能式fmea会认为电容器是用来整流电压，然后分析电容器无法整流电压的影响，而不是考虑如果电容器如果无法启动或短路关闭会发生什么事。
