It's also possible to scan a document so that it doesn't print well at lower sizes, or save it in a file format that results in quality loss.
它也可以扫描文件，以便它不会打印以及较低的大小，或将其保存在一个文件格式，它会导致质量损失。
When uploading files to their account, Docs users will now see an option to run an OCR scan, which will extract characters and place them within a new text document.
上传文件到帐户时，用户将看到一个运行ocr扫描的选项，这个选项将提取文件中的字符置于一个新的文本文档中。
We found a bigger difference for queries that touch a large number of rows, such as a table scan over all 20,000 XML documents with string comparison on every document.
我们发现涉及大量行的查询的性能差异比较大，比如对所有20,000个XML文档进行全表扫描并对每个文档比较字符串。
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