The W3C Web standards define two levels of Cascading Style Sheet (CSS) standards — CSS1 and CSS2.

W3C Web标准定义了两级级联样式表(CSS)标准——CSS1和CSS2。

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It may seem strange to start with a tip on CSS in an article on XSLT, but I'm often asked "Are the two style sheet languages compatible?"

在讨论 XSLT 的文章中以关于 CSS 的技巧作为开始似乎有些奇怪，但有人经常问我“这两种样式表语言是否兼容？”

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A sheet containing two layers of nanotubes is a capacitor (each layer ACTS as a plate).

由两层纳米管道的组成的平板就成为了一个电容器(每一层就如同一个极板)。

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By using the latest in rear-projection technology, a high resolution, colour 3D-like holographic image is projected onto a flat two-dimensional sheet of acrylic in the shape of a woman.

BBC: Airport avatars offer travel advice

There are such high points as a voluptuous Gaston Lachaise nude, a tough-minded Cubist Max Weber, a raucous William Glackens, a lovely two-sided sheet of Thomas Sully watercolor sketches.

WSJ: Fine Lines | Frick Collection | Brooklyn Museum | by Karen Wilkin

Next week, if all goes according to plan, a small mountain of snow will be melted, repeatedly sterilised and then injected in a high-pressure stream of near-boiling water to clear a bore-hole through the two miles of the ice-sheet.

BBC: New age of exploration in the hunt for extreme life