Some large restaurant and food chains have released their own apps, but these are only available in certain regions.

一些大的餐馆和食品连锁店已经发行了它们自己的手机软件，但这些只适用于某一确定的领域。

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Related instruments exist for irrigation calculations in certain regions, but shading, thermal, and cost data require site-specific calculations.

某些地区还有用于灌溉计算的相关仪表，而阴凉、热量和成本数据需要因地制宜进行计算。

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In certain regions of the world, use of injections has completely overtaken the real need, reaching proportions no longer based on rational medical practice.

在世界某些地区，注射的使用完全不顾及实际需要与否，其用量之大已不再以合理的医疗规范为依据。

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One of the reasons why you would want to segregate things into certain regions is that molecules have to move in order to accomplish these things; molecules have to move from one place to another.

将细胞功能定位于某个固定区域的,另一个原因是,生物大分子需要移动,以完成某些功能,分子从一个地方移动到另一个地方

耶鲁公开课 - 生物医学工程探索课程节选

Famliy-managed fortunes are concentrated in certain regions of the world, and hardly exist in others.

FORBES: Societe Generale Private Banking and Forbes Insights Analyse Global Wealth and Family Ties

The study highlights differences in the cultural response to science in certain regions around the world.

UNESCO: MEDIA SERVICES

Last year an early onset of the flu caught officials by surprise and the U.S. fell short of necessary doses in certain regions.

FORBES: Broken Eggs