您要查找的是不是：
- focused dynode system 聚焦式倍增系统
- The implementation of the high bit rate digital subscriber line (HDSL)dynode systems is discussed, the design scheme of practice systems, and practice test data are given, come recommendation for HDSL technique is proposed. 对超级数字用户线路倍增系统的实现进行了讨论，给出了一个实际实现系统的设计方案及其实测数据，对利用高比特率数字用户线（HDSL）技术提出了一些建议。
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- He focused his binoculars on the bird. 他把双筒远镜的焦点对准在那只鸟上。
- The full moon has a circular form. 满月呈圆形。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- He focused his mind on his new plan. 他集中心思在新计划上。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- His eyes focused slowly in the dark room. 他在那间黑屋子里眼睛慢慢地看清了东西。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- The full moon has a circular shape. 满月呈圆形。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The organization issues a circular every month. 该组织每月发一份通告。
- The camera is focused at infinity. 照相机的聚焦被调节在无限远这一档上。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
