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| 英语 词库 | |||
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| operation | |||
| operator | |||
| operating | |||
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| operational; operator | |||
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| operating; operation; OPER model | |||
| operate | |||
| operation performance evaluation report (raf) | |||
| operate/operation | |||
| operate; operative/operation/operating | |||
| Operation (MODS report abbreviation) | |||
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| operations | |||
| operand | |||
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| operations | |||