The pattern matching operation is potentially expensive, so it is vital to focus the search intelligently.

模式匹配操作可能是非常昂贵的，因此智能地集中搜索是非常重要的。

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The focus will be on rich text format and Word document format and understand the tool terminologies, how data migration takes place and how the migration operation works.

关注点是富文本格式和Word文件格式，并理解工具的术语、数据迁移是怎样进行的、迁移操作是如何发挥作用的。

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Surgeries for orphans and Poor children: Operation Blessing in China has a strong focus on helping children, especially those handicapped orphans and children suffering from various diseases.

孤儿和贫困儿童手术：慈福行动一直关注中国儿童的成长，尤其是有身体残疾和各种疾病的孩子。

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Some 50,000 American troops will remain in the country to focus on training Iraqi soldiers and performing counterterrorism operations under a new mission called "Operation New Dawn."

VOA: standard.2010.08.04

And the focus of that operation, of the U.S. personnel in Afghanistan, is on al Qaeda.

WHITEHOUSE: Press Briefing

The annual Operation Focus campaign starts this weekend and will run until early autumn, with police hoping it will reduce the number of motorcyclists killed or seriously injured.

BBC: Motorcycle dangers: North Wales Police 'educate' bikers

The operation will focus on the south of the county, where deer poaching has become a problem.

BBC: Operation targets wildlife crime in Cumbria