Although you could create a new element equivalent for any tag in a general DTD, this work is useless to you as an author unless the content models that would include the tag are also specialized.
虽然可以为一般dtd中的任何标记创建新的等价元素，但是除非内容模型包含也进行专门化的标记，否则这对作者来说毫无用处。
Yet publishers hope that tablets will turn out to be the 21st-century equivalent of the printed page, offering them compelling new ways to present their content and to charge for it.
而出版商们期待着平板电脑成为21世纪印刷纸张的替代品，用动人的方式去呈现它们提供的内容，然后收钱。
We could easily see free access for mass-market content funded from advertising alongside the equivalent of subscription and pay-for-view for material with a niche readership.
我们可以容易地看到对依靠广告资助的大众市场的内容的免费访问模式，同时还有针对小众读者群资料的等同于订阅和付费阅读的模式。
Enter the Semantic Web, which is the vision that the existing Web can be augmented to supplement the content designed for humans with equivalent machine-readable information.
这促进了语义web的诞生，它是现有Web的增强版本，在为人们设计的内容中增加了足够多的可供机器阅读的信息。
Prerecorded video-only: Either an alternative for time-based media or an audio track is provided that presents equivalent information for prerecorded video-only content.
预先录制好的纯视频：为预先录制好的纯音频内容提供一个用于展示等价信息的的基于时间的媒体或者音轨的替代方案。
Prerecorded video-only: Either an alternative for time-based media or an audio track is provided that presents equivalent information for prerecorded video-only content.
预先录制好的纯音频：为预先录制好的纯音频内容提供一个用于展示等价信息的基于时间的媒体替代方案。
The influencing factors of uncertainty of measurement for determination of equivalent water content in nitrogen tetroxide by NMR method we established were discussed in this paper.
讨论了自行建立的核磁共振法测定四氧化二氮中相当水含量测量不确定度的影响因素，并对各不确定度分量和测量结果的不确定度进行了评定。
The influencing factors of uncertainty of measurement for determination of equivalent water content in nitrogen tetroxide by NMR method we established were discussed in this paper.
讨论了自行建立的核磁共振法测定四氧化二氮中相当水含量测量不确定度的影响因素，并对各不确定度分量和测量结果的不确定度进行了评定。
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