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IO International Officer 国际军官

IO Intermediate Objective 中级目标

IO British Indian Ocean Territory 英国印度洋的领土

IO International Organization 国际组织与机构

IO Intelligence Officer 侦察参谋

IO Information Overload 信息超负荷

IO Indirect Object n. [语]间接宾语

IO Intraosseous 骨内的

IO Immigration Officer 进口检查员

IO Information Object 信息对象

IO If Only 要是...多好, 只要, 但愿

IO Information Officer 情报员

IO Internal Order 内部秩序

IO Internal Organ 内脏器官

IO Immediate Office 直属办公室

IO Interactive Optimum (cable services) 交互式优化(有线电视服务)

IO Ionium (Thorium Isotope) Ionium(钍同位素)

IO Industrial Operations 工业行动

IO In Organization (banking) 在组织(银行)

IO Input Operator 输入操作员