The latest post office machines can sort letters at 30,000 items an hour, which is much faster than manual sorting.

邮局的最新机器每小时可以分拣3万份邮件，大大快于手工分拣。

youdao

There were some roughly printed letters on it and a sort of picture.

上面有一些潦草的印刷体字和一个图案。

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Take a sample of unencoded text, count how many times specific letters appear in the text, and sort the letters in order from most to least frequent.

获取一个未编码的文本样例，计算文本中出现特定字母的次数，然后按频率最高到最低的顺序给字母排序。

youdao

Over time Jacob learned to sort flashcard squiggles as letters.

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She wasn't somebody who could stand up and, say, like a Paul Robeson, make a whole sort of statement, but she could sing this song, and apparently, according to letters from--that I read of William Dufty, the ghostwriting journalist who wrote "The Lady Sings the Blues, " the FBI and other peoples actually said if she stopped singing this song they would give her an easier ride.

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