commercial operation meaning in English

商业行为，交易。

The vehicle has entered the stage of commercial operation
该车已进入商业运行阶段。
The major types of reactors in commercial operation includes
用作商业运行的反应堆主要包括
Dispatch and control system for power grid commercial operation
电网商业化运营调度与控制系统
These certificates may be used to perform commercial operations
此等证书可用来从事商业经营。
The major types of reactors in commercial operation
现时用作商业运行的反应堆主要包括下列几类：

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