Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.
作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。
This paper introduces numerical control programming and how to use macro program to make numerical processing of complex the out of round curve cylinder.
本文讨论了数控加工宏程序编制的注意事项，介绍了利用宏程序进行复杂非圆曲线柱面数控加工的程序编制实例。
But, some aspects can come to raise processing quality through correction program or compensation, play the role of numerical control as far as possible.
但有些方面可以通过修正程序或增加补偿程序来提高加工质量，尽可能发挥数控的作用。
In this paper, a core program package related for drawing pictures in micro computers with Oriented Geometry is presented to describe profile of machine parts in numerical control.
本文以有向几何为背景陈述一个微机绘图核心程序包，用它描写数控加工零件的平面外型轮廓，并在微机上绘制各种复杂的平面图形。
On the basis of the measurement data, the numerical-control program is manually corrected. Adaptive control, with automatic correction, should be available in the near future.
依据测量数据，可以对（车床）数控程序进行人工更改；带有自动更改功能自适控制程序应当在不久的将来就会面世。
With the popular application of modern CNC machine, more and more people pay attention to the programming of numerical control program.
随着现代CNC机床的普及应用，数控程序的编制问题越来越受到人们的重视。
In addition, the hardware of numerical control lens-edger is designed. The USB module is also developed and two methods for the design of USB communication program are introduced.
此外，设计了数控镜片磨边机的硬件电路，完成了磨边系统usb数据通信模块的设计，并给出两种USB通信程序的设计方法。
Now the numerical control machines of small memory are still the mainstream in our country. The NC machines make the program of machining more concise, which is very important in practice.
目前，小内存的数控机床仍然是我国机床的主流，使加工程序变得简洁，对实际加工有着很重要的意义。
Nc automatic program is a mainstream of the programming approach in the current numerical control process, and it has a series of merit such as quick speed, short period, high quality and convenience.
数控自动编程是当前数控加工中编程方法的主流，它具有编程速度快、周期短、质量高、使用方便等一系列优点。
In this paper, the improvement of frank screw machining of numerical control program is introduced.
介绍了一种直螺杆加工数控编程的改进方法。
Controlling a machine tool by means of a prepared program is known as numerical control.
用准备好的程序控制机床，这种工作方式称为数字控制。
Controlling a machine tool by means of a prepared program is known as numerical control.
用准备好的程序控制机床，这种工作方式称为数字控制。
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