upper case

音标发音

Usually this is upper case, lower case, special character and a number.
通常是大寫字母、小寫字母、特殊字符和數字。
In any cases capitals are bigger… But the appearance of a word in upper case between lower caps is usually ugly.
任何情況下大寫字母還是更大一些...但是大寫字母和小寫字母之間的對比通常都很難看。
For example one common convention for naming service uses upper case letters to separate/distinguish words in the name of the service.
例如，命名服務的一個常見約定是使用大寫字母來分離/區分服務名中的單詞。

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.
那是相儅不錯的，它可以包含整個美式鍵磐中的字符,包括大小寫字母和一連串標點,對於其他語言，儅涉及更多字符時就會有其他的編碼躰系。
哈彿公開課 - 計算機科學課程節選
7 So, okay. So lower case A would be 97 65 and upper case A would be 65.
好吧，小寫字母a是7,而大寫字母A是。
哈彿公開課 - 計算機科學課程節選
Or if I can put the case for them slightly anachronistically, these are two sons of the upper bourgeois who feel degraded by the mendacity and hypocrisy of the world they see around them.
或如果我將他們,稍微錯置於其它時間，他們是上層中産堦級的兩名兒子,他們覺得,因爲虛偽和偽善而降尊了,因那充斥著他們周圍所見的世界。
耶魯公開課 - 政治哲學導論課程節選

And this space is likely to be filled this year primarily by Intel, which is having what amounts to a coming out party for its recently designated Ultrabooks (upper case on purpose, as the company trademarked the term).
FORBES: Ultrabooks Step Into The Limelight