这种模式通常用于全局变量访问、分支以及子程序调用。
This mode is often used for global variable access, branching, and subroutine calls.
线搜索-技术，一维的优化，通常用作其他子程序，更普遍的技术。
Line search - a technique for one dimensional optimization, usually used as a subroutine for other, more general techniques.
通过实例介绍数控铣削加工编程中常用的子程序、宏程序、代码段调用等方面的内容。
Applications of common subprograms, macroprograms and code transferring in numerical control milling programming are exemplified in this article.
应用推荐