The problems of data reduction, including relative reduction and absolute reduction are introduced and unified as the set operation on difference list that is come from the difference matrix.

介绍了粗糙集数据约简概念，包括相对约简和绝对约简，并将它们统一为差别列表上的集合操作，其中差别列表是从差别矩阵引伸而来的。

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Ricci is so confident that he has christened his quest "Operation Columbus" and has set his sights on discovering an American readership of 300,000.

利玛窦非常自信，他将他的探索命名为“哥伦布行动”，并将他的目标锁定在拥有30万读者的美国。

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This collaboration is represented as an ordered set of messages, or operation invocations, on these elements within the system.

这种协作表现为对系统中这些要素的消息或操作调用的有序集合。

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There was ABSCAM in 1980, when the FBI set up a sting operation that caught on videotape a senator and five representatives receiving cash payments from a fictitious Middle Eastern businessman in return for political influence.

NPR: Abramoff Latest in String of Congressional Scandals

In other words, 50% of the FOMC dissented with Bernanke, at least in principle. (Read Operation Twist Set To Fail As Bernanke Insists On Flattening The Yield Curve).

FORBES: Split In Bernanke's Fed Widens, QE3 On Deck, FOMC Minutes Show

Yield on 10-year Treasuries breached the 2% mark on the downside and traded at record lows, as fearful investors rushed into Treasuries. (Read Operation Twist Set To Fail As Bernanke Insists On Flattening The Yield Curve).

FORBES: A Transcendental Q3 Comes To An End: Equities Erased All Their Gains For The Year