您要查找的是不是：
- parallel pencil of rays 并行射线笔
- That is a pencil of rays. 那是一束光线。
- They had to accept the blue pencil of the censor. 他们不得不接受检查员的修改。
- We like the masterly pencil of Rembrandt. 我们喜欢伦勃朗的精巧画法。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- a pencil of rays 一束光线
- divergent pencil of rays 发散光束
- A parallel process method of ray tracing is proposed based on a BSP tree. 摘要提出了一种基于BSP树的光线跟踪并行处理方法。
- tangential pencil of rays 切向光束
- pencil of rays 光线束, 光线锥
- astigmatic pencil of rays 象散束笔
- homocentric pencil of rays 同心光束
- eccentric pencil of rays 偏心光线束
- convergent pencil of rays 会聚光线束
- angle pencil of ray 宽光束
- Emissionand propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量。
- Parallel to or in the plane of the horizon. 水平的与地平面平行的或在地平面中的
- Energy radiated or transmitted in the form of rays, waves, or particles. 辐射:以射线、波或微粒的形式放射或传播的能量。
- The scanning measurement in optical CT calculates the length of ray across the pixel rapidly and accurately by using the coordinate intersected by the ray and the parallel to the reference frame. 摘要 改进的光学CT扫描测量方法利用扫描线与平行于两坐标轴的平行线束交点坐标，快速精确计算出扫描线穿过每个像素格子的长度。
- The two systems of government are polar opposites. 这两种政体正好相反。
