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 。
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。
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。
The level at which the ground surface meets the foundation of a building.
参考水准面地表面与建筑物基础相遇的高度
a reference book containing an alphabetical list of words with information about them.
按照字母表顺序编写的单词参考书，单词后面有相关的信息。
Reference sources for the calibration of surface contamination monitors-Beta-emitters and alpha-emitters
GB/T12128-1989用于校准表面污染监测仪的参考源β发射体和α发射体
Investigation of the serum N-terminal pro-B-type natriuretic peptide reference intervals in apparently healthy individuals
表面健康人群血清氨基末端B型钠尿肽原参考区间的调查
International Terrestrial Reference System
国际地面基准参考系
The surface of Mars is remarkably diverse.
火星的表面参差不齐。
SURFACE TEXTURE PER ASME B
表面纹路参照ASME B
Surface roughness--Terminology--Surface and its parameters
GB/T3505-1983表面粗糙度术语表面及其参数
a fixed reference point on the concave side of a conic section.
圆锥截面凹面的固定参考点。
In the case of both the Moon and Mars.
[参考译文]遗憾的是，地球表面的地质变化对大陆原始结构和组成起了抹煞的作用。
Directions: Describe the following graph and then indicate the possible reasons for the changes in methods of travel between City A and City B from1960 to1990.
根据下面的图表，完成120字左右的短文。有关词汇及第一句已给出，可供参考。
Reference sources for the calibration of surface contamination monitors beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha-emitters??
标定表面污染监测器用参考源? β发射体（最大β能量高于0.15MeV）和α发射体
In addition, some advice was given on soluting the axygenated burning loss of liquid aluminium surface and the erosion of crucible.
此外，对解决铝液表面氧化烧损和坩埚内壁腐蚀问题提出了参考意见。
Effect of Ultrasonic Surface Rolling Processing Parameters on 40Cr Surface Roughness
超声表面滚压加工参数对40Cr表面粗糙度的影响
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