preserve case meaning in Chinese

保留大小写

Let s look at some advice that s even better : take a sentence that you can easily remember , such as a famous quotation or a song lyric . use the first letter of each word , preserving case , and use any punctuation
在标准的随机数“轮盘” （带有许多随机数生成算法，包括线形拟合生成器；在0和4 , 294 , 967 , 295之间的所有数字确切地生成一次，然后重复该序列）上只有40亿个可能的位置。