您要查找的是不是：
- Chen Xiaomin and Kiaei Sayfe, “Monocycle Shapes for Ultra Wideband System,” IEEE International Symposium on, Vol. 1, pp. 597-600, 2002. “超宽频连接技术之发展前景”，零组件杂志，第一四三期，第44-49页，2003。
- Cognitive Ultra WideBand system(CUWB) 认知超宽带系统
- The simulation result of three level coded ultra wideband systems show that the bit error performance has been improved prominently compared with uncoded situation. 三层编码的超宽带系统的误码性能仿真表明：比较未编码系统，误码性能得到明显的改善；
- The Effect of Pulse Shape on Ultra- Wideband System 脉冲波形对超宽带系统性能的影响
- Canadian Northeast Wideband Systems 加拿大东北宽频带系统
- 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。
- 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。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- 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。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- Our manager is conversant with account system. 我们的经理精通会计制度。
- The system can translate English into Chinese. 这个系统能将英语译为汉语。
- The caste system is still strong in India. 种姓制度在印度仍然很牢固。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- A request for information from another system. 为查看另一系统中的信息而发出的一种请求。
