查询词典 NC

According to the characteristic of stone machining, discussed the necessity of break point preservation function. Enumerate several ways to realize the function and give an idea to make the function in software system and particularize how to do it.(4) Developed the NC interpret module.

结合石材加工特点，对几种常见的断点保存方法进行了分析，提出了适合本数控系统的软件化断点保存方法，并对它的实现机制和编程技巧进行了详细的说明。

After many years' research with great co nc entration,Gilles Clément published his monograph Le Jardin en movementin1990,which becomes the basis of his works and his teaching at l'Ecol e Nationale supérieure du Paysage of Versailles.

1990年，吉尔·克莱芒(GillesClément)集多年来潜心研究的结果，出版了专著《动态花园》，为其设计风格以及在凡尔赛风景园林学院的教学内容确定了基调。

For example, using the LC in combined with WBC or NC, the positive predictive value for the HDP was increased to 70.77%, the specificity increased to 85.27%. Conclusion We hypothesized that HDP may be the result of an inflammatory response, and leukocytes especially the combination to two parameters, is helpful the prediction of HDP-related complications at the placentation period.

该研究表明白细胞的升高和异常激活可能在HDP的发病中起一定的作用，白细胞参数特别是其联合应用对HDP的早期预测有一定的临床应用价值。

For NC machining of plane section method, the machining path of tool cutting plane and implicit surface can be found, and the curve of the tool path is drawn by the positive-negative method.

把隐函数的优势应用到数控加工编程中，即对于截面法的数控加工，求出刀具切削平面与隐函数曲面的加工轨迹，再用正负法绘制刀具轨迹曲线。

With the method and the relation between the center of a circle and a triangle, the relation between the triangle and the circle can be determined rapidly, hence to quickly and correctly determine the position relation between the projections of the triangle plane and the tool in tool axis direction, and raise the efficiency of 3-axis NC machining.

借助于该方法及圆心相对三角形的位置关系，可以快速判别三角形与圆的位置关系，从而能据此快速、准确地判别三角片与刀具两者在刀轴方向投影的位置关系，提高3坐标数控加工干涉检查的效率。

And in accordance with the development needs of business, add the NC processing equipment, so that our plant production capacity greatly improved.

并根据业务的发展需要，增添了数控加工设备，使我厂的生产能力得到很大的提高。

Plication , as well as t he importance of CAD in application of NC machine.

应用效益的技术途径及计算机辅助设计在数控机床应用中的重要作用。

The female parents are 4 choice [1] ness clones in Chinese fir primary orchard. The male parents are 3 polyanthus clones in the gene pool of old Chinese fir, the mixed pollen of these clones and all the clones in this gene pool. The testing woods were founded with 18 cross grouping which were obtained by the using of NCⅡ.

以经过子代测定的杉木初级种子园中的4个优良无性系为母本，老杉木种质资源库中的3个花芽较多的无性系及其混合花粉和种子园混合花粉为父本，采用测交系交配设计进行杂交制种，获得18个杂交组合并以此营建试验林。

The classical cutting stock algorithm——column generation technology , and wrap up rectangle technology for abnormity are analyzed ; The development of AutoCAD with ObjectARX is studied and the generating method of cutting outline drawing and layout drawing were found out on the basis of analyses of the graph database structure of AutoCAD and the basic operation of it ; The process planning technology of plate material cutting orienting numerical control is studied a process planning method directly based on layout drawing is established ; The emulation technology in AutoCAD is studied and a kind of dynamic emulation method is put forward , which is realized by incrementally modifying graph entity ; The postposition of NC program of the integrated cutting system constructed on software plug-in is proposed , which can effectively solve the problem that it is difficult for a numerical control programming system to be common , which is caused by the difference of instruction format and control parameter between different type of numerical control machine .

分析了经典的矩形件优化排样算法——列生成法和针对异形件的矩形包络算法；研究了基于ObjectARX 的AutoCAD 开发技术，结合对AutoCAD 图形数据库结构及其基本操作的分析，给出了下料轮廓图和排样图的生成方法；研究了板材数控下料加工的工艺处理技术，建立了一种直接基于排样图进行的图形交互工艺规划方法；研究了在AutoCAD环境中的板材下料数控仿真技术，给出一种通过增量修改图形实体对象实现的动态仿真方法；提出以软插件技术构建集成下料系统的数控编程后置处理部分，能够有效解决因数控下料机床指令格式及控制参数不统一导致的自动编程软件系统不易实现通用性的问题。

Based on the analysis of application of numerical control worktable, the design requirements for a virtual axis NC worktable are presented. A new three-translation and one-rotation 4-DOF parallel robot mechanism is constructed according to the design requirements and it acts as the primary mechanism of the virtual axis worktable.

在数控工作台应用分析的基础上，提出虚拟轴数控工作台的设计要求，构造一种新型3平移1转动的4自由度并联机器人机构，并将其作为虚拟轴工作台本体机构。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。