The experimental results show that the image annotation tool improves the performance of semantic retrieval substantially.

实验表明，本标注工具应用到图像语义检索系统中，大幅度的提高了语义检索的性能。

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There's now an annotation tool, which allows users to tag a structure with notes for others to view as well as a tool that rotates structural elements.

现在有一个笔记工具，能让玩家在结构上挂上标签，供其他人参考，还有一个工具可以改变某个氨基酸所处的结构状态（螺旋、链状和片状）。

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Arguably, the nicest feature of any good annotation or metadata tool is the ability to use the extra data to analyze code.

可以说，任何好的注释或元数据工具的最大优点是能够使用额外的数据来分析代码。

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He tried several methods, but among the most effective was a new computer progam called the Variant Annotation, Analysis and Selection Tool, or VAAST.

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The tool also makes it easy to insert graphs or charts, thanks to an "Add Annotation" option that integrates diagrams directly into your lecture notes.

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