Constant variations in the amount of sunlight available on Earth at any given location make energy storage a necessary design feature of terrestrial solar-energy systems.

在地球上任何一个特定地点，阳光的不断变化使能量储存成为地球太阳能系统的一个必要设计特征。

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Part 3, "best practices for document templates," offers Suggestions to make the best use of a feature that allows your project administrator to define initial content for artifacts of any type.

本系列文章的第三部分，“文件模板的最佳实践”，提供了能最大限度地使用某一特性的建议，这样项目管理员就能为任意类型工件定义初始内容了。

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It would take a lot of guts to make a feature film about Rupert Murdoch, a man who, as head of one of the largest multi-national media conglomerates, controls the fortunes of individuals and entire companies in the entertainment business.

FORBES: Will Anyone Make This Movie About Rupert Murdoch?

The feature is just for Web pages now, but it is likely Google will make it a feature of search ads as well, so those small snippets of text will someday carry the potential for pop-up graphics, as well.

FORBES: Google Fasterer!

However, should customers embrace the playback capabilities that marginal component costs will soon make a standard feature of their handsets, Apple will need to take a more active role if it wants to preserve the portable digital music experience it has executed so well.

ENGADGET: Switched On: Why Motorola's ROKR plays the humdrum