The directrix line of a conic.

二次曲线的准线。

Taproot long-conic, rarely fusiform.

直根长圆锥形，很少纺锤形。

Herbs annual. Roots conic or spinose.

一年生草本根圆锥形或具刺。

Stylopodium low-conic or discoid, pale yellow.

花柱基浅圆锥形或者盘状，浅黄。

The circular points are really a degenerate conic.

虚圆点实际上是一退化的二次曲线。

This paper introduces Averaging arch area property of conic.

本文介绍圆锥曲线中平分弓形面积的一个性质。

Who can write down the calculating formula of the conic bulk?

谁来写圆锥的体积计算公式。

His chief work was on the conic sections but he also wrote on other subjects.

他的主要著作是关于圆锥线的，但也写过其他方面的著作。

Third part:"Program" and "Standard" in conic partial comparisons and analysis.

第三部分：《大纲》与《标准》在圆锥曲线部分的比较与分析。

That's why in modern architecture conic roofs are often used. They symbolise a Mansi tent.

由于圆锥屋顶象征着曼西帐篷，故经常用于现代建筑当中。

A study on the method of drawing conic normal lines through a given point outside the conic.

本文就过圆锥曲线外的点作其法线的方法进行研究。

Conic rotor brake motors are equipped which has safety limiter in both up and down directions.

电机采用锥形转子制动电动机，具有上下双向安全限位装置。

The company is many more producible the metric bearing of breed and imperial and conic bearing.

公司可生产多个品种的公制轴承和英制圆锥轴承。

CNC Hydraulic Press Brake offers "Conic Bending" up to a maximum of15 mm along the whole length.

电脑数控液压式折弯机提供“锥形折弯”全长尺寸最大可达到15毫米。

But don't ask for an explanation of his elegant proof unless you are interested in conic sections.

但是不要要求对他的优雅证明的解释，除非你对圆锥截面感兴趣。

A conic section whose plane is not parallel to the axis base or generatrix of the intersected cone.

圆锥的一部分，其切面既不平行于轴和基面，也不平行于圆锥母线。

SJSZ series conic twin-screw extruder is professional equipment for extruding kinds of PVC powder.

SJSZ系列锥形双螺杆挤出机，是一种适合于各类PV C粉料挤出的专用设备。

Pascal's Theorem points of intersection of opposite sides a hexagon inscribed in a conic are collinear .

帕司卡定理：给定一个圆上的六边形，则此六边形三对对边直线的交点在同一直线上。

A method for interpolating global curvature continuity curves with conic segments is presented in this paper.

提出利用有理二次样条曲线插值整体曲率连续的曲线的一种方法。

Especially, the side-open "conic duckbill" mounted on the unit effectively presents the soil blocking up problem.

特别是侧向开启圆锥形鸭嘴有效地避免了堵土问题，是一种极有前途的新颖部件。

The conic error of RLG's was analyzed in the help of the two-sample iteration algorithm by high-frequency experiment.

通过高频振动实验，利用双子样迭代算法分析了激光陀螺在振动条件下的圆锥误差。

In this paper, a trust region method with new conic model for linearly constrained optimization problems is proposed.

本文提出了一个解线性等式约束优化问题的新锥模型信赖域方法。

The paper focuses on the manufacturing key technologies of new conic cycloidal gear planetary transmission's mesh parts.

论文着重对新型锥形摆线行星传动啮合副的制造关键技术进行研究。

The analysis and summary, confirm is application and compare it with the traditional Internet-aiding point conic teaching.

第三部分是分析总结，确定其适用性，并和传统的多媒体辅助圆锥曲线教学进行了比较。

The aberration characteristics of the optical system of a single conic reflector and a two-lens null corrector are discussed.

讨论了由单一二次反射镜和放在其后的两透镜无光焦度校正板组成的光学系统的像差特性。

The results show that conic interpolation model method is an efficient direct search method. This should be further researched.

试验结果表明锥函数插值模型算法是一类有效的直接方法，值得进一步研究。

A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.

提出了一种将圆锥曲线拼接法与历表相结合，快速设计月球卫星地月转移轨道的方法。