Not only does this make the theoretical math a lot easier, it keeps the errors incurred doing numerical calculations on classical computers from snowballing out of control.
这不仅使理论数学容易的多了，而且还使经典计算机上数字计算中出现的错误不致于象滚雪球般失去控制。
CNC (Computer Numerical Control) is a technology originally developed for the aviation industry, enabling the precise construction of digitally generated, complex curved objects.
CNC(电脑数值控制)本是为航空业开发的一项技术，可使数字化生成的复杂曲面物体得以精确施工。
Finally the iterative algorithm is established for the solution of the constrained nonlinear control system, the corresponding numerical example is given.
最后建立起受约束非线性控制系统求解的迭代算法，并给出相应的数值例题。
NC flame cutting: CNC flame cutting is numerical control machine tool use gas with oxygen or gasoline in metal materials with oxygen cut a way to cut.
数控火焰切割：数控火焰切割是数控机床利用燃气配氧气或者汽油配氧气进行金属材料切割的一种切割方式。
The original ASCII 7-bit character set mapped the letters, and monetary, numerical, and control-code information to decimal, octal, and hexadecimal numbers.
原来的ASCII 7位字符集将字母、货币、数字和控制码信息映射为十进制、八进制和十六进制数字。
Introduced one kind plan of the numerical control improvement on CE7120 slanting bed lathe, including transformations of machine partial and electrical partial.
介绍了一种CE7120斜床身车床数控化改造的方案，包括机械部分改造和电气部分改造。
And then combine geometric, behavior modeling methods to simulate the actual manufacture and operation of numerical control lathe.
最后将几何建模和行为建模结合起来模拟数控机床的实际加工、操作过程。
Forming the communication network easily and reliably is the key to the implementation of the distributed numerical control (DNC) system.
如何方便、可靠地构成通讯网络是实施分布式计算机数字控制(D NC)系统的关键。
Numerical control may be defined as a method of accurately managing the movement of machine tools by a series of programmed numerical data which activate the motors of the machine tool.
数控是一种可以靠一系列的可以驱动机床电机的可编程的数字数据来精确控制机床运动的方法。
A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
CAM functions around four main areas: numerical control, process planning, robotics, and factory management.
围绕四个主要凸轮职能领域：数控、工艺设计、机器人、工厂管理。
Strong technical force, with the most advanced computer equipment, numerical control machine tools.
技术力量雄厚，拥有最有先进的电脑设备，数控机床。
In order to guarantee the machining surface quality, numerical control lathe generally has constant surface cutting speed control function.
为了保证加工表面质量，数控车床一般都具有恒表面切削速度控制功能。
There are two basic of control systems in numerical control: point-to-point and contouring.
在数控机床中有两种基本控制系统，分别是点对点和线性。
The application of numerical control in insulator manufacturing was introduced.
介绍数控技术在电瓷生产中的应用。
This function can make numerical control system according to the point in the X coordinates, as the diameter of the workpiece calculated value spindle speed, and the cutting speed to be constant.
该功能可以使数控系统根据刀尖所处的X坐标值，作为工件的直径值来计算主轴转速，使切削速度保持恒定。
To match with numerical control, should choose the contact arcs way.
对于配数控用，应选择非接触起弧方式。
It consists of 5 departments with 5 majors, including numerical control technology, tourism management, software technology, chemical technology and art design.
学院有5个系组成，设置有5个专业，分别是：数控技术、旅游管理、软件技术、化工技术和艺术设计专业。
Numerical control processing, an advanced processing method, is widely applied in processing machine parts of high precision and with complicated surfaces.
数控加工作为一种先进的加工方法被广泛应用于高精度、复杂表面形状零件的加工。
They are likely to operate computer numerical control (CNC) equipment as well as traditional lathes, routers, and grinders to make all kinds of production parts.
他们中大部分人的工作有负责操作计算机数控设备（CNC）以及各种各样小批量生产中的传统车床、路由器和螺纹磨床等。
The DSP axis-angle detecting board has been proved successfully and has satisfied the requirement of numerical control machining and holds application values and excellent foreground.
本文所研制的DSP轴角检测板经试验验证基本达到了在数控加工技术中的应用要求，具有良好的实用价值和应用前景。
The punch refitted with microcomputer numerical control is suitable for the shaping of thin metal plates by punching, which requires moving along two-dimensional path and locating accurately.
这台改装的微机数控冲床，适用于需要沿两维路线移动并精确定位的金属薄板冲压成型。
Green CONTROL NUMBER: Numerical system, which is used in the scheduling of product to be green machined and carburized.
毛坯件控制号码：是产品进行毛坯加工和渗碳处理时所用到的号码系统。
When Numerical Control is performed under computer supervision, it is called computer Numerical Control.
当计算机数值控制下进行监督，这是所谓的电脑数值控制。
Numerical control (NC) is a new technology to you.
对于你们来说，数控是一门新技术。
Simulation is made on the machining by making use of the virtual manufacturing technology, and the optimized numerical control machining procedures are given.
本文论述了解决一种复杂型面的数控加工的关键技术，并利用虚拟制造技术对加工进行仿真，给出了优化的数控加工程序。
The paper analyzes the advantages and features of the virtual prototype technique and researches the practice strategy of virtual prototype technique for numerical control machine tool.
分析了虚拟样机技术的优势和特点，研究了数控机床虚拟样机技术的实现策略。
The paper analyzes the advantages and features of the virtual prototype technique and researches the practice strategy of virtual prototype technique for numerical control machine tool.
分析了虚拟样机技术的优势和特点，研究了数控机床虚拟样机技术的实现策略。
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