Figure 2 demonstrates the familiar ball-and-stick model of DNA (image is a stereo pair; see Resources for the image source).

图2展示了熟悉的dna球棍模型(图像提供了一对立体模型；见参考资料)。

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If you're writing an XML document editor, for instance, you'll want to stick to a document model rather than using data binding.

例如，如果您正在编写一个XML文档编辑器，则您会希望采用文档模型，而不是使用数据绑定。

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However, the company said it would stick to its overall business model centred on the keyword auctions.

然而，该公司称，总体上仍将沿用关键词竞价排名的商业模式。

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Ball-and-stick model of the niacin molecule, a...

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