ellipse的例句大全

Two pairs of point on the ellipse are used to determine the location of the center of the ellipse, orientation, and the two semi-axis.

用椭圆上的两对点确定椭圆的中心、旋转角度、长半轴、短半轴等参数。

The low-density lesions remained irregular shape or became fusiform, ellipse or round with 1.0~ 2.0 cm~ 2 in size one day later, and less than 1.0 cm~ 2 in size three days later.

1d后病灶呈类圆形、纺锤状或椭圆形低密度改变，直径达1.0～2.0cm；3d后为直径不到1.0cm小结节状低密度灶；

The most ellipse 4-wing rotors installed in Banbury mixer are used popularly in the large size of tire factories of China, the working part of rotor is spiral wing body shape and its structure affects the quality of compound and the productivity directly.

我国大型轮胎厂普遍使用的本伯里型密炼机上转子均为椭圆形四棱转子，转子的工作部分螺旋棱体形状及其结构直接影响炼胶质量和生产效率。

The calculate method of node coordinates in double arc gain on ellipse curve

双圆弧逼近在椭圆零件加工中节点值的求解

Base on the elasticity mechanic and the contact mechanic theory, the vertical contact force expressions is work out, long and short axes of contact ellipse spot is also given.

基于弹性力学、接触力学理论，本文给出了轮轨垂向接触力的推导，得到了轮轨垂向力公式、轮轨接触椭圆斑的长短轴计算公式。

Principle and Analysis of Making Ellipse-cone The ellipse cone grinding and taper grinding is compared.

并且对椭圆锥面刃磨与圆锥面刃磨进行了比较。

Estimation of deviation between circular target center and ellipse imaging center in close-range photogrammetry

近景摄影测量圆形标志与其椭圆构像的中心偏差估计

Determination of the Deviation Between the Image of a Circular Target Center and the Center of the Ellipse in the Image

圆形标志及其椭圆构像间中心偏差的确定

There is an impossible deviation between the image of circular target center and the center of the ellipse imaging if the circular target is oversized.

如果圆形标志点较大，以至于圆形标志中心与其椭圆构像中心的偏差不可忽略。

Combined the curvature analysis method with the tooth surface separation topology method, the contact ellipse of the spherical gear pair is calculated and simulated, and the distributing rule is gained.

采用曲率分析法与齿面分离拓扑法相结合对球齿轮的接触椭圆进行了理论与仿真计算，得到了接触椭圆在球齿轮齿面上的分布规律。

A Non spherical Particle Ellipse Diffraction Model Used in Laser Diffraction Particle Sizing

用于激光颗粒测试技术的非球形颗粒的椭圆衍射模型

The scattering feature of off-axis spherical particle to ellipse Gauss beam is represented as vector spherical harmonics.

利用矢量球谐函数展开的方法，研究了离轴球形粒子对椭圆高斯波束的散射。

Small holes are arranged on the spherical reflecting mirror and the crossing portion of the spherical reflecting mirror and the long shaft of the ellipse, and the small holes are lamp holes.

在上述球面反射镜上，在其和椭圆的长轴相交处开一小孔，即为灯口。

Of course, the trip was not a perfect circle. As Kepler showed, the earth's orbit is an ellipse, with the sun at one of the two focal points.

当然，地球的旅程并不是个完美的弧形。就像开普勒曾指出的，地球的轨道是个椭圆，相对以太阳为中心绕起来的话有两个焦点。

Approximate formula for calculating parabola and the length of ellipse arc

计算抛物线及椭圆弧长的近似公式

A study of ellipse anomaly of ground tilt vector before the Tangshan earthquake

唐山地震前地倾斜矢量椭圆异常的研究

lunar surface hazard detection by 2d maximum entropy thresholding and ellipse fitting

二维最大熵和椭圆匹配的月面障碍物识别

half ellipse head and tine end of the turning vane cause the lower pressure loss and aerodynamic noise than the hemicycle end.

半椭圆形头部和尖形尾部导流片有较低的压力损失和气动噪声，避免采用半圆形尾部形状；

based on a thorough study of moulding plane of piston skirt of hs-700 type gasoline engine, the design of variety ellipse section is made.

在对HS-700型发动机活塞裙部型面深入研究的基础上进行了变椭圆截面设计。

measures to prevent ellipse defect of centrifugally cast ductile iron pipes with large diameters

解决大口径离心铸造球墨铸铁管椭圆缺陷的工艺措施