character dimension

• 字符大小

character dimension的用法和样例：

例句

1. It is difficult to calculate the maximum byte length from character size.
   很难通过字符大小计算出最大字节长度。
2. The returned value can be derived from the assumed character size and actual screen pixel size.
   返回值可从设定的字符大小和实际屏幕像素大小推出。