An alternate name or label used to refer to the same element or a point in a program.
An alternate name or label used to refer to the same element or a point in a program.
一个别名或替换标号，可用来指程序中的某一数据元素或某一位置。
An alternate name or label used to refer to the same element or a point in a program.
一个别名或替换标号，可用来指程序中的某一数据元素或某一位置。