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- Rectilinear propagation of light: The light spread along straight line in all even medium. 光的直线传播:光在一切均匀介质中都是沿直线传播的。
- This is the earliest pinhole image formation experiment and the earliest cognition of rectilinear propagation. 八条中的后三条叙述了反射（平面、凹面、凸面）镜成像现象。
- Especially the third one describes the pinhole image formation experiment and analogies rectilinear propagation with the archery flight. 这是世界上最早的针孔成像实验，也是对光的直线传播特性的最早认识。
- law of rectilinear propagation of light 光直线传播定律
- the rectilinear propagation of light. 光的直线传播。
- rectilinear propagation of light 光的直线传播
- rectilinear patterns in wallpaper; the rectilinear propagation of light. 壁纸上的直线图案；光的直线传播。
- rectilinear patterns in wallpaper; the rectilinear propagation of light 壁纸上的直线图案；光的直线传播
- rectilinear propagation 直线传播
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- The price has taken on a trend of rectilinear rise. 价格已呈直线上升。
- 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
- Light travels in rectilinear form. 光以直线形式传播。
- Rectilinear lines were chosen for the pattern. 人们用直线构成了这个图案。
- The propagation of animals or plants. 动物的饲养，植物的培植
- Reproduction and spread; propagation. 复制和散布；繁殖
- Committee on Propagation of the Tradition! '优良传统发扬光大委员会'！
- Crack propagation usually begins slowly. 裂纹的增长常常是开始缓慢。
- Rose propagation has a long and rich history. 玫瑰繁殖有着悠久的历史。
- Following a rectilinear path; rectilinear patterns in wallpaper. 沿着一条直道；壁纸上的直线图案
