The root lays the foundation for the contents by providing various graphical layers, such as connection layers, handle layers, etc., and possibly zoom or other functionality at the viewer level.

根通过提供各种图形层(例如连接层和句柄层等)以及可能会在查看器级别提供的视图缩放或其它功能，为内容打下基础。

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And new resources, such as those provided by the Bill and Melinda Gates Foundation, are bringing guinea-worm eradication within reach.

诸如由比尔和梅林达盖茨基金会提供的新资源，正使得麦地那龙线虫的根除变得可及。

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Her profound scientific discoveries-such as the discovery of toolmaking by chimpanzees-laid the foundation for all future primate studies.

她那傲人的发现，例如黑猩猩可制作工具，为后来所有的灵长类动物研究奠定了基础。

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Reformers tend to gloss over the fact that charter schools are often heavily funded by private donors such as the Gates Foundation, the Broad Foundation, and other deep-pocketed groups and individuals.

FORBES: Thoughts on ‘The Death and Life of the Great American School System’ (Part One)

One such study, funded by the National Science Foundation, was conducted in senior residential facilities near Indiana's Purdue University.

FORBES: Magazine Article

Most mobile-health projects are still at the trial stage, but a report compiled in 2008 by the UN Foundation and the Vodafone Foundation documented around 50 such projects across the developing world.

ECONOMIST: Beyond voice