operation相关的词根或词缀是: oper

复数： operations

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Patients can have general anesthesia during the operation .

在手术过程中，病人可以选择全身麻醉。

The operation will thus run on a commercial basis .

这种运作将会基于一种商业操作模式。

In that situation normal commercial operation is evidently impossible .

在上述情况下，正常商业经营显然是不可能的。

The operation was portrayed as led by france and britain .

军事行动被认为是由法国和英国领导执行的。

These systems are only a software upgrade away from fully self-sufficient operation .

这些系统距离完全自主的运转仅有一个升级软件的距离。