In some cases, it is perfectly acceptable to assume a flat model of the Earth and lose some accuracy in exchange for speed.

在一些情况下，完全可以采用平面地球模型，通过牺牲一些精确性来获取速度。

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It transforms the flat, character-based state representation from the URL into a hierarchical object representation (the document model introduced above).

它会将普通的基于字符的状态表示形式从url转换为层次结构对象表示形式(上面介绍的文档模型)。

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As we build globally integrated enterprise, our communications are constrained by the flat, print-based model of today's Web.

随着企业越来越全球化，当今扁平的基于打印的Web模型越来越限制了交流。

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But it is attacking with a radical business model: inexpensive flat-rate wireless data for any device (it plans to add voice service soon).

ECONOMIST: Face value

To get a valid Stimp reading with the old model requires a relatively flat run of putting surface 12 to 14 feet long.

WSJ: Ta-Da! The USGA Gives the Stimpmeter a Makeover | Golf Journal by John Paul Newport

But full-year flat monetization blows up the P model.

FORBES: Pandora Slides; Street Sees Mobile Monetization Troubles