creation and annihilation operator 升降算子
inverse and dual combination operator 逆序与对偶组合算子
Operation and Evaluation of Composite Insulator 复合绝缘子运行与评价
Radar operation and simulator specialized training 雷达操作与模拟器专业培训
Adjustment and Operation 调试运行; 调试与运行
advertisement operation and marketing 广告运作与营销的关系
AND operation 与运算; 与操作; AND运算; 及运算
and Operation control 运行控制
and Operation safety 行车安全
AND-operation 与操作
Automation and operation 自动业务化
Base Station System Operation and Maintenance Application Part BSSOMAP 基站子系统操作与维护应用部分
basic theory and operation 三基
boiler design and operation 锅炉设计和运行
boiler’s design and operation 设计参数和运行参数
BSS Operation and Maintenance Application Part BSSOMAP BSS操作维护应用部分
Building and Operation 建设运行; 建设运营
Business and Operation 业务运营
Business and Operation Support System 业务运营支撑系统