Vertical restraints has been one of the focus field in modern theory of industrial organization.

纵向约束是现代产业组织理论的前沿研究课题之一，具有广泛的实际应用前景。

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The land resources'economical and intensive use is always the focus field that the scholar shows solicitude for at home and abroad since long-term.

长期以来，土地资源的节约集约利用，一直是国内外学者十分关注的热点领域。

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Research on real time rendering of realistic tree is a focus field of computer graphic all the time, because complicate detail structure of tree makes it very difficult to model, store, rendering.

真实感树木实时绘制研究一直以来都是计算机图形学的一个热点领域，因为树木复杂的细节结构使其无论是在建模、存储还是绘制上都存在相当大的困难。

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Participating teams, in the meantime, are trying to focus on football, and hoping not to be distracted by the environment off the field.

VOA: standard.2009.10.22

Miss Wells-Burr's body was discovered by fire crews in her Ford Focus in a field in Ashill.

BBC: Catherine Wells-Burr

Miss Wells-Burr, who graduated from Bath Spa University with a first-class degree, was discovered by fire crews in her red Ford Focus in a field in Ashill.

BBC: Wells-Burr death: Boyfriend Rafal Nowak denies murder

The evident disparity convinces Kyriakou, Vansnick, and Memon that education is the field to focus on as entrepreneurs.

FORBES: International Backgrounds Shape Education Entrepreneurs