1. 烦燥不安的：运行[操作]可靠性、运行[操作]安全性 reliability of operation | 烦燥不安的 perturbed | 安全[保险、紧急]开关 overcurrent cut-out switch

2. 摄动：奇异摄动系统:singular perturbed systems | 摄动:perturbed | 扰动势:perturbed potential

adj

1. thrown into a state of agitated confusion
    (`rattled' is an informal term)

    Synonym: flusteredhot and bothered(p)rattled