这是因为实际的源代码和变量绑定可以更改，这是建立在环境或者构建宏预处理程序指令的时间定义的基础上的。
This is because the actual source code and the variable binding can change, based on the environment or the build time definitions of macros and preprocessor commands.
鉴于两者的优越性，提出一种新的编程方法，将图形编程和宏编程相结合，用图形化的方法形成对宏程序的调用指令。
Considering the advantages of the two ways, a new approach is proposed which combines them with each other by using graphs to form macro-call instruction.
探讨了常见非圆弧曲线的加工方法，并以椭圆及正弦曲线为例，叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
经过实例验证，使用本文设计的宏指令系统编制而成的宏程序，完全可以在开放式数控系统上正确运行。
After example validating, the macro program wrote with macro instruction system designed in this dissertation can run well in open NC system.
基于FANUC-0 MD系统的宏指令功能，运用该原理编写了一模具锥面的数控加工程序，实例应用表明这种编程方法不仅减轻了规则曲面手工编程的困难，而且使曲面加工质量更加容易保证。
With the theory, a piece of CNC codes for machining a sample cone surface is programmed based on NC macro instructor function of FANUC-0MD CNC system. , which is much efficient and universal.
本文利用FANUC及SIEMENS数控系统的宏指令功能，设计了编程零点变换宏程序和零件成组加工宏程序。
In this paper macroinstructions of FANUC and SIEMENS NC systems are employed to design macroprograms of programming zero transforming and group machining of workpiece.
本文利用FANUC及SIEMENS数控系统的宏指令功能，设计了编程零点变换宏程序和零件成组加工宏程序。
In this paper macroinstructions of FANUC and SIEMENS NC systems are employed to design macroprograms of programming zero transforming and group machining of workpiece.
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