principal point

用法例句

In this paper, according to the characteristics of central projection, aerial photographs were analyzed to discuss displacement of images under tilt conditin or caused by ground undulation, based on which the principles of tilt error and projection error were summarized.

根据中心投影的特性，论述了像片在倾斜条件下所引起的像点位移和像片因地面起伏而引起的像点位移，在对其进行分析的基础上总结出倾斜误差和投影误差的规律，从而说明了不能把像片当作地形图使用。

Based on the analysis of Kruppas theorem and geometric methods sufficient and necessary conditions that figure Φ is a central projection of the space affine coordinate system are put forward in this paper.

本文通过对库鲁巴定理的分析，采用几何方法得出了图形Φ为空间给定仿射坐标系中心投影的充要条件。

This paper proposes an iterative golden section search method based on reconstructed slices evaluation of a string to achieve precise projection center,as well as detector s rotate/tilt angle and distance from x-ray spot to rotate center.

为此,文章提出了一种基于细琴弦重建图像评估的黄金分割迭代搜索法来精确确定投影中心,还可确定射线源与旋转中心距离以及探测器安装旋转角、倾斜角等参数,实验证明了该方法的有效性。

The privipal steps of constructing of diagram for perspective reversion are to find out the projection center and to locate the perspective axis at suitable position.

透视反转作图的主要步骤是找出投影中心和确定透视轴的位置。

Brief discussion on drawing method of utilizing center projectionto make declined intersecting line;

用中心投影法求作截交线作图方法初探

Linear Central Projection Transformed by SAR Image as Well as Analysis on Photogrammtry with Dual Images

SAR图像转换为线中心投影及双像解析摄影测量

Radial distances from CP or CL are too short.

从投影中心或投影中线的辐射距离太短。

The Effect of Psychological Stability on the Percentage of Basket Hits;

心理稳定性对提高投篮命中率的影响

The Influence of the Philosophy of the Mind on Journey to the West;

心化“西游”——论明代阳明心学在《西游记》中的投影

A recording made by a ballistocardiograph.

投影心搏图由投影心搏计作的记录

One Automated Method for Determination of Center of Rotation of Projection Based on Symmetry Projection for 2D-CT Computed Tomography System

基于对称投影的2D-CT系统投影旋转中心自动确定方法

Correction of Projective Images' Rotational Center in Micro-CT System

Micro-CT系统中对投影图像旋转中心的校正

The Influence of Time and Life to Gui Zhuang Represented by the Chase and Pity for Flowers;

从逐花、惜花中看时代 生平对归庄心灵的投影

Feminine images and shadow projection of deracinement in Heart of Darkness;

《黑暗的心》中女性意象与“失根”的阴影投射

Analysis on the Psychology and Training in Affecting the Rate of Shooting;

影响投篮命中率的心理分析及其针对性训练

Biomechanics Factors of Influence Shooting Baskets Accuracy Rate;

影响篮球空心投篮命中率的生物力学因素

On The Influence And Training Of Psychology In Basketball Shooting;

谈心理因素在篮球投篮中的影响及训练

the ground zero

核弹爆心的地面投影点

principal meridian of gnomonic chart

心射投影基准子午线

CADCAE Modeling Research of Mandibular Calibration of the Projection Images Rotation Center in Micro CT System

Micro CT系统中对投影图像旋转中心的校正下颌骨CADCAE建模研究

This paper concerns the ratio of centro-affine invarients for a projection body.

本文研究了关于投影体的中心仿射不变量比的问题。

Analysis and Regulating of Influence Mental Factors of Pitcher Control Ability in Baseball Game;

对棒球比赛中影响投手控制球能力的心理因素的分析及调控方法

Application of projection pursuit regression model to forecast of moth-eaten ratio of Leguminivora glycinivorella Mats

投影寻踪回归模型在大豆食心虫虫食率预测中的应用