The concept of reference plane is introduced with the model of normal vector sphere for 3D objects, the convex polygons in 3D space are divided into two parts by the reference plane and morphologic addition of each corresponding part is calculated.
在研究传统形态算法的基础上 ,将凸多面体的形态和算法简化为面与面的形态和 ,结合三维物体的法矢球模型 ,引入参考平面的概念 。
Evaluation of True Horizontal Plane as Reference Planes under Natural Head Position
自然头位下真性水平面作参考平面的准确性评价
The height of a thing above a reference level, especially above sea level or above the earth's surface.
高度；海拔在某个参考平面，特别是海平面或地面以上一个物体的高度
Strike is the trace of the intersection of an obliquelyinclined plane with a horizontal reference plane.
走向是倾斜平面与水平参考成交线的迹线。
Agent is showing the shop's floor plan to the clients.
（物业代理在给客户展示商铺平面图参考。
The average illuminance over the reference surface at the end of the complete maintenance cycle.
灯具在维护周期末期在参考表面上的平均照度。
Nonlinear Friction Compensation of Planar 5-bar Parallel Mechanism with Time Variable Parameters Using Sliding Mode Control
考虑摩擦和参数不确定的平面五杆机构控制
Research on Transformation of Axisymmetric Vertical Drains into Plane Vertical Drains and Parameters Back-analysis under Time-dependent Loading;
考虑加载过程的砂井地基平面应变等效方法与参数反分析研究
International Terrestrial Reference System
国际地面基准参考系
parameter plane stability analysis
参数平面安定性分析
a fixed reference point on the concave side of a conic section.
圆锥截面凹面的固定参考点。
On one side is impartial competition, peaceful participation;
一面是公平竞争，和平参与；
Surface Texture- Variations found on the real surface of the wafer that deviate from the reference surface.
表面纹理-晶圆片实际面与参考面的差异情况。
free rotor gyro-stabilized inertial reference platform
自由转子陀螺稳定的惯性参考平台
Selection of Position for Reference Field of Horizontally Polarized EMP Simulator
水平极化EMP模拟器参考场位置的选取
Thoughts on Unequaless before College Entrance Exam Marks;
关于高考分数面前不平等问题的思考
supported with written references or citations.
有书面参考或者引用来支持。
Equivalent realizations of an ITRS
地面基准参考系的等效实现
Many text-books on this subject are available.
有许多关于这方面的书籍值得参考。