1) block aperture margin
适形野边距
1.
The influencing factors and evaluating method of the best block aperture margin for conformal portals;
最佳适形野边距的决定因素和求取方法
2) portal aperture
适形射野
1.
With the prevalent application of 3D radiotherapy plan system (TPS) and automatic cutter, we will meet a problem which is the portal aperture’s data can not be recognized by the automatic cutter software.
随着三维放疗计划系统和自动切割机的普及使用,我们会面临适形射野数据与自动切割机软件不兼容的问题,手工输入挡块轮廓图形不可避免将产生一定误差。
3) distance between polygons
多边形间距
4) tacheometric polygon
视距多边形
5) equidistant crooked triangle
等距曲边三角形
1.
The vector expression about axial turn milling machining for the equidistant crooked triangle contour movement process is established.
建立轴向车铣加工等距曲边三角形廓形运动过程的矢量表达式 ,用内嵌AutoLisp的AutoCAD2 0 0 0对轴向车铣加工等距曲边三角形运动曲线进行计算机仿真 。
6) nofit polygon
不适合多边形
1.
Afterward,according to theory of solid analytic geometry and interference of orthographic projections of the two cuboids on coordinate faces,position relation of no interfere for two cuboids in 3D space is divided into three possible cases,and using 2D-nofit polygon the corresponding judgment condition is given out fo.
对被检测的2个长方体作图形变换,使其中一个长方体的最低顶点和以其作为端点的最长边分别与空间直角坐标系的原点和z轴重合,利用其在坐标平面上正投影的干涉性和空间解析几何理论得出在3D空间中2个长方体不干涉的3种可能情形,根据2D不适合多边形方法分别给出其不干涉判别条件的长方体碰撞检测算法。
补充资料：边野
1.犹边地。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条