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O 开头的英语单词（共 89,563 个）
operational function
行函数；经营职能
operational fund
[网络] 经费；业务经费；经营
operational funding
[网络] 操作基金
operational game
经营对策
operational grade
操作组段
operational hazard analysis
操作危害分析
operational hazard report
运转事故报告
operational height
工作高度,射击高度
operational hydrology
[水文] 运行水文学
operational hydrostatic test
运转静水力试验
operational incidents
重大运转事件
operational index
作业索引
operational indicator
[经] 业务指标, 经营指标
operational input
操作输入
operational insulation
工作绝缘, 作业绝缘
operational integral
运算积分，[运]算子积分
operational issue
操作问题
operational item
[贸易] 业务项目