例句與造句

1. At times , you need to use special characters in your code , that is , characters that are not on the standard alphanumeric list
   代碼中的特殊字符有時需要在代碼中使用特殊字符，也就是標(biāo)準(zhǔn)字母數(shù)字表中沒有的字符。
2. It's difficult to find alphanumeric listing in a sentence. 用alphanumeric listing造句挺難的