Write their full names, three-lettercode and onelettercode.
请写下它们的全名、三字码与单字码。
2
This loop will create 26 documents, one for each lowercase letter of the alphabet, each document containing the character itself and its ASCII character code.
此循环将创建26个文档,代表字母表的每个小写字母,每个文档包含字符本身及其ASCII字符码。
3
These mutations - where oneletter of the DNA code is substituted for another - are a first step in evolution.