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- The causticals phenomena of electromagnetic wave propagation in concave reflector antennas are studied by Symplectic Geometrical Theory. 摘要采用辛几何方法分析凹形反射面上电磁波传播的焦散现象。
- a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam. 当光源来自焦点以产生平行光束或者平行光束以产生焦点的凹入的反射镜。
- a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam 当光源来自焦点以产生平行光束或者平行光束以产生焦点的凹入的反射镜
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- concave reflector 凹面反射器
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- Separate the reflector from the rear bumper . 从保险杆分离反射镜。
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A depression similar to that in a shallow concave container for food. 凹形，凹面与浅的凹型盛食物的容器相似的凹处
- Photo reflector, NPN transistor output. 功能描述: Opto interrupter module.
- The palm of one's hand is slightly concave. 人的手掌是微凹的。
- Reflector: Get the secret inside .NET assemblies. 如何得到某集合的所有子集合?
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
- Freeform Reflector for Uniform Illumination[J]. 引用该论文 丁毅;顾培夫.
- Concave on both surfaces;biconcave.Used of a lens. 双面均凹进的；双凹的。用于指透镜
- Concave on one side and convex on the other. 一面凹进一面凸起的
- Convex on one side and concave on the other. 凸凹的一面凸一面凹的
- To the excellent concave and convex carving skill. 碑上的阴阳刻。
- An indentedor concave surface or area. 凹陷,洼地凹的表面或地区。
