A single scan is unlikely to tell you everything you need to know.

一次扫描不可能获得您所需要的所有信息。

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Replacing Spaces with commas and vice versa can be done in a single scan over the string, and the control characters are injected at the same time.

只需对字符串扫描一次，就可以用逗号替换空格，反之亦然，同时还可以加入控制字符。

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This guideline specifies that a single XML index scan be used to access the given table.

该准则指定一个单一的xml索引扫描，将用于访问给定的表。

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After receiving a single scan, Ms. Moritz tried to cancel the contract, but the medical provider said it "had already been paid in full by CareCredit" and couldn't reverse the charge, according to court records filed in U.S. District Court in Chicago.

WSJ: Is Your Doctor Pushing Credit Cards?

But in many cases, the diagnosis was made on the basis of a single ultrasound scan - which, according to independent doctors, cannot justify a decision to operate.

BBC: The Indian women pushed into hysterectomies

Consumers can simply plug it in, insert their photo through the slim device, and, with a single touch of a button, scan photos onto the included SD card.

ENGADGET: Pandigital Personal Photo Scanner/Converter cuts the cable, writes to memory cards