查询词典 imaginary plane

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。

"Plane",The surface must be completely plane.

"，"这表面必须完全平坦。

The morphology of etch pits on different lattice plane is observed by optical microscopy. It is found that the shapes of etch pits are related to the symmetry of lattice plane.

对NYAB晶体中的位错蚀坑观察发现：蚀坑的形状与所在晶面的对称性有关，蚀坑的对称性反映了其所在晶面的晶格对称性。

Planes--The direction of the normal to the first reference plane in the element tree (the first reference plane encountered when traversing the element tree from the root).

3平面——法向对于元素树的第一个参考平面（当从根遍历树时发现的第一个参考平面）。

This paper adopts spatial parallelogram to estimate uncertainty of arbitrary points inside and outside the spatial triangle plane, The estimate formulae of uncertainty of spatial triangle plane and normal vector are deducted.

随着GIS在环境仿真、城市规划、气象学、自然灾害预测预报、地质采矿等领域的广泛应用，空间数据库日渐庞大，因此空间数据质量的好坏直接影响着GIS应用、分析、决策的正确性和可靠性

The questions covering pre-algebra and elementary algebra make up the Pre-Algebra/Elementary Algebra Sub score. The questions covering intermediate algebra and coordinate geometry make up the Intermediate Algebra/Coordinate Geometry sub score. The questions covering plane geometry and trigonometry make up the Plane Geometry/Trigonometry sub score.

包含有基础初等代数和初等代数的考题构成了基础初等代数/初等代数的技能分数，涉及到中等代数和坐标几何的考题构成了中等代数/坐标几何的技能分数，而涵盖平面几何和三角函数的考题则构成了平面几何/三角函数的技能分数。

The Nusselt number increased slightly then dropped down quickly with the increase of magnetic strength in the plane of the magnetic field vector; while in the plane perpendicular to the magnetic field vector, the Nusselt number decreased with the increase of the magnetic strength.

在平行磁场平面内，努塞尔数先随着磁场的增强略有增加，在强磁场作用下又迅速减小；在垂直磁场的平面内，努塞尔数随磁场增强逐步减小。

In order to study the output characteristics of diode-end-pumped Nd:YAP laser operating at 1341.4nm,the thermal focal lengths of end-pumped Nd:YAP laser were calculated and measured,and the output results of lasers with plane-plane and plano-concave resonators were compared respectively.

为了研究Nd：YAP晶体在LD端面抽运中的1341.4nm激光输出特性，采用理论计算和实验测量了实验系统的热焦距，对比了平平腔和平凹腔激光输出结果。

And in the latter process of working, it also takes hole as the poisoning base and works the two bales of Plectrum, hole, bottom plane, groove and inclined plane. In the entire machining process, it uses separately the milling machine, driller and boring machine.

在后面的工序中，均以该孔为定位基准，加工拨叉叉口两端面、孔、底平面、槽和斜平面，在整个加工过程中，分别采用了铣床、钻床和镗床。

And inthe latter process of working, it also takes hole as the poisoningbase and works the two bales of Plectrum, hole, bottom plane,groove and inclined plane. In the entire machining process, it usesseparately the milling machine, driller and boring machine.

在后面的工序中，均以该孔为定位基准，加工拨叉叉口两端面、孔、底平面、槽和斜平面，在整个加工过程中，分别采用了铣床、钻床和镗床。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。