说明：  这是一个将汉字句子转换成拼音的程序(可选全拼或首字母)，在软件开发中，可以自定义输入法，例如在人事管理系统中，输入人名首字母，系统将替换成员工姓名实现自动录入。
(This is a sentence would be converted into a phonetic character of the program (optional spelling or initials), in software development, you can customize the input methods, such as personnel management system, enter the first letter of names, the system will be replaced by employee name automatic entry.)