Also, meet a variety of important XML programming interfaces and standards, and look at two case studies that solve business problems with XML.

另外，查看大量重要的XML编程接口和标准，浏览使用XML解决业务问题的两个案例研究。

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Thereare problems with many of these studies, however.

这些研究结果仍然存在着诸多问题。

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Previous studies have also linked screen time with attention problems.

之前的研究也将花在屏幕前的时间与注意力问题挂钩。

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Naturally, there are problems with such studies.

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While he admits that there are problems with smashing different studies together, he is concerned.

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The studies include trials aiming to show that can prevent fractures in women with osteoporosis or at risk for it, as well as studies to prove the drug help prevent bone problems in patients with prostate and breast cancer.

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