?运行事件
... operational impedance 运算阻抗 operational incident 运行事件 operational information system 操作信息系统 ...
?操作事故
...操作事故 accident at work; on-the-job accident; operating accident; operation accident; operation exception; operational incident; operatnig incident; work accident; working accident 作事故的应变计划 planning for incidents .
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。