The appearance of a word in upper case between lower caps is usually ugly.

在小写字母之间出现大写单词通常很难看。

youdao

They have to distinguish between words in upper and lower-case letters or even harder, they had to count the number of syllables in different words.

他们必须区分大写和小写的单词，或者更难的是，他们必须数出不同单词的音节数。

youdao

This can happen if this data has come from a variety of applications that use different rules for upper and lower case data entry.

如果数据来自不同的应用程序，而这些应用程序采用不同的大小写数据输入规则，就会出现这种情况。

youdao

That's pretty good 'cause now, I can pretty much cover my American keyboard pretty effectively both upper case, lower case, and a whole bunch of punctuation. For other languages as in aside, there are other encoding schemes when there are more characters.

那是相当不错的，它可以包含整个美式键盘中的字符,包括大小写字母和一连串标点,对于其他语言，当涉及更多字符时就会有其他的编码体系。

哈佛公开课 - 计算机科学课程节选

7 So, okay. So lower case A would be 97 65 and upper case A would be 65.

好吧，小写字母a是7,而大写字母A是。

哈佛公开课 - 计算机科学课程节选

And if you've typed in l when you should've 1 typed a 1, or a 1 when you should've typed an l, you're likely to miss it. If you've made a mistake with upper and lower case. Things like that. So just be very careful looking at that.

如果你本来想打，1，的时候,却输成了，l，或者打，l，的时候输成了，你很可能注意不到这个错误,如果你把大小写弄混了也是一样,要注意这个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

Passwords for all accounts should be 10 characters long and include upper and lower case letters, numbers, and special characters.

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"Your password should be at least 10 characters that include upper and lower case characters, numbers and symbols, " he said.

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One of their biggest decisions, which caused upset among conservative commentators at the time, was to opt for a combination of upper and lower case letters.

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