您要查找的是不是：
- perfect vertical antenna 完全垂直天线
- A tall vertical antenna, as for a radio. 天线杆高且垂直的天线，收音机等的
- This rejection of interfering noise from other harmonically related frequencies keeps the noise level down compared to other antennas like the common 1/4 wave vertical antenna. 干涉的噪声的这拒绝从其它和音相关的频率保持噪声级下来与其它天线比较象共同的1/4波浪垂直天线。
- umbrella loaded vertical antenna 伞型加载垂直天线
- umbrella-loaded vertical antenna 伞型加载垂直天线
- In this paper, firstly present situation of national surveying vertical datum is described and its imperfect is analysed. The methods of perfecting vertical datum are discussed finally. 大地水准面与深度基准面是测绘垂直基准面的主要因素。文中探讨了我国测绘垂直基准面的现状及其存在的问题,提出了改进测绘垂直基准面之拙见,以便在下一个世纪提到议事日程与同仁商榷。
- Nothing in the world is flawless and perfect. 世上没有十全十美的东西。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- The weather during our holiday was perfect. 我们度假时的天气好极了。
- The project is far from perfect. 这项企划很不完美。
- What's the secret of baking perfect bread? 烤出好面包的秘诀是什么？
- He didn't have perfect attendance this year. 他今年有缺勤。
- I have perfect trust in my friend. 我完全信赖我的朋友。
- They live in perfect accord with each other. 他们生活在一起十分融洽。
- He has perfect poise and never seems embarrassed. 他的神智安宁，似乎从没困惑过。
- On that occasion he looked a perfect fool. 在这个场合，他看起来就像一个大傻瓜。
- The hat and shoes are a perfect match. 这顶帽子和鞋子完全相配。
- She has the perfect credentials for the job. 她做这工作完全够格。
- A vertical or nearly vertical line or plane. 垂直线，垂直面垂直或近似垂直的线或平面
- His demeanour has always been that of a perfect gentleman. 他的举止始终是属于正人君子的模样。
