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- Based on Fermat Theory,this paper sets up the differential equation of the ray track in the atmosphere,and explains the mirage phenomenon. 利用费马原理建立了大气中光线轨迹的微分方程 ,并解释了“空中绿洲”这一光学现象。
- Based on the atmospheric transmission model, through the actual ray track, the zenith angle is revised, which is a complicated function with launch angle and altitude. 摘要基于大气传输模型，采用光线传输的实际轨迹对天顶角进行修正处理，得出天顶角随发射角和传输高度的变化复杂函数。
- Numerical Solution of the Ray Equation and the Ray Track 光线方程的数值解与光线追迹
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- There are fertile fields in the Nile Delta. 尼罗河三角洲土地肥沃。
- The Study of Engender Mechanism of Submarine Ray Track and Detectability 潜艇光尾流产生机理及其探测技术研究
- Radioactive ray is material thing. 放射线是实际的物质。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Her visit brought a ray of sunshine into the children's lives. 她的来访给孩子们的生活带来了欢乐。
