查询词典 line

A projection method is used to smooth out start and end points of the ruling line sets. With predefined Euclidean 6 space distances, the problem of ruled surface approximation from line sets in Euclidean 3 space can be converted into a least square B-spline curve fitting issue in Euclidean 6 space.

利用"投影"光顺法对齐直母线段族首末端点，再通过定义欧氏6空间下的距离函数，将欧氏3空间下的直线族逼近直纹面问题转换成欧氏6空间下B样条曲线最小二乘拟合问题。

Is this a straight line or curved line?

这是条直线还是曲线？

And the most important problem of the line form is curved line.

作为造型艺术，绘画中的形，尤其是线形的问题一直倍受关注；而线形中的曲线问题尤为引人注目。

Move to the side of this line 1.75 and draw a line over the curved area seen in the illustration.

移动到该行1.75一边，得出的插图中看到的弯曲区的一条线。

A straight line shows us the artist's power, and a curved line makes us feel it.

直线美展现了艺术家的张力，而曲线美能够让我们感受得到这种张力。

Be the first person to line up, not the first person to cut in line!

做第一个带头排队的人，而不是第一个挟塞儿的人！

Hang Zhou JiaNuoDe Hardware Tools Manufacturing CO.,LTD, Introduces Taiwan spheroidization stove two, and the cold-drawing equipment, the specialized production tool uses hexagon bar iron, Fang Gang, a cutter bar Yuan steel, spheroidize through this equipment cause each kind of fine line steel not to have the decarburization, degree of hardness evenly, The stable performance is good, may produce each kind of steel grade impact extrusion phosphorus to saponify the fine line.

杭州嘉诺德五金工具制造有限公司，引进台湾球化炉二条，及冷拉设备，专业生产工具用的六角钢、方钢、刀杆元钢，通过该设备球化使各种精线钢无脱碳、硬度均匀、稳定性能好，可生产各种钢号冷挤压磷皂化精线。

Part four will prove the following 4 theorems : theorem 1 :the curvature and torsion of the locus of foot point of the perpendicular line between the origin and the tangent line of the cylindrical spiral remains to be function t , but not trigonometric function t .

第四部分证明四个定理分别为定理1 由坐标系原点至圆柱螺线的切线所引垂线的垂足的轨迹曲率和挠率仍为t的函数，但不是t的三角函数。

The laser beam emitted by the laser is expanded to the cutting width required by the tipping paper via the laser beam expanding system, the expanded laser beam passes through the cylindrical surface focusing mirror and 4 focuses on the focal plane form a focal line and the tipping paper is cut off by the focal line on the focal plane.

由激光器发出的激光束经激光扩束系统将激光束扩大至水松纸所需的切割宽度，经扩束后的激光束通过柱面聚焦镜，在焦平面4聚焦形成一条聚焦线，水松纸在焦平面上被此条激光聚焦线割断。

Line 6 is similar to Line 5, but for data output file.

第6行与第5行相似，是数据的输出文件。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。