Some people like to use upper case , because it makes the tags easier to pick out in a document 有人使用大写,因为它使标签更容易在文件中找出来
When comparing strings , the unicode value is used , and lower case has a smaller value than upper case 比较字符串时使用unicode值，小写的值小于大写的值。
Note the lowercase w in the package name , and the upper case w in the class and constructor names 注意在包名中使用小写的“ w ”而在类名中要使用大写的“ w ” 。
The array _ change _ key _ case ( ) function returns an array with all array keys in lower case or upper case 函数的作用是：返回字符串键名全为小写或大写的数组说明。
For example , the collating sequence in ascii is : space , numeric values , upper case characters , lower case characters 例如， ascii中的排序序列是：空格、数字值、大小字符、小写字符。
I have left the missing images with the gif extension in upper case so if anyone else has them then please send them to me 我已将遗漏的gif图片放置在顶部，所以如果其他人谁有这些图片的，请发送给我。
On the other hand , the collating sequence in ebcdic is : space , lower case characters , upper case characters , and numeric values 另一方面， ebcdic中的排序序列则是：空格、小写字符、大写字符和数字值。
In ocr , the marks caused by the bottom of the upper case character while typing in lower case , or vice versa 在光符阅读器（ ocr ）中，当在下档（小写）打字时，由上档（大写）字符的底产生的标记，或相反。
Input values to upper case after forcing a 10 second pause in the execution to simulate a long running process 输入值在强制10秒的间隔后转化为大写的字符串，这一强制时间间隔用来模拟一较长时间处理过程。
The case first attribute controls whether upper case characters collate before or after lower case characters , in the absence of other differences in the two text strings 大小写优先属性控制在两个文本字符串中没有其他差异的情况下，大写字符排列在小写字符前面还是后面。
