1、The minimum number of alphanumeric characters in a password.
密碼中字母數(shù)字字符的最小數(shù)目。

2、Messages must be no longer than 160 alphanumeric characters and contain no images or graphics.
消息不得超過160個字母數(shù)字字符且不包含圖像或圖形。

3、The node name structure consists of alphanumeric characters only.
節(jié)點名結(jié)構(gòu)中只包含字母數(shù)字字符。

4、You'll notice that the contents consist of alphanumeric characters encoded in base64.
您將會發(fā)現(xiàn)密鑰文件的內(nèi)容由使用base64編碼的字母和數(shù)字組成。