您要查找的是不是：
- four frequency plan 四频率方式
- PAS Wireless Access Frequency Plan. 系统无线接入信道频率。
- The division into four frequency ranges was made to correspond with typical frequency limits on four different types of recording instruments. 分成4个频率范围是为了与4种不同类型记录仪器的典型频率限度相适应。
- In this paper, a frequency plan scheme is proposed, which adopts frequency reuse in UCR, and macro diversity in CCR. 在该小区结构的基础上，该文提出了在单一覆盖区内采用频率复用，在交叉覆盖区内采用宏分集的频率规划方案。
- four frequency differential laser gyro 四频差动激光陀螺
- Frequency planning is very important and hard in GSM network planning and optimizing. 频率规划是GSM网络规划和优化中的关键问题,也是难点。
- four frequency duplex telegraphy 四频双工电报
- The frequency planning for a cellular system enhanced with two-hop fixed relay nodes (FRNs) is investigated. 研究了两跳固定中继蜂窝网的频率规划问题。
- four frequency dilex communication [计] 四频双通信
- four frequency diplex telegraphy 双路移频制电报
- GSM Frequency Plan Method Compare GSM频率规划复用方式比较
- four frequency diplex comunication 四频同向双工通信
- For a WCDMA system, frequency planning is not required, but scrambling code planning for neighborhood cells is necessary. 宽带码分多址(WCDMA)系统采用码分多址的无线接入方式,不需频率规划,但需进行相邻小区扰码的规划用以区分各小区。
- Paper addresses 230M frequency planning and opti-mizing method,cellular network structure and some specific viewpoints on network configuration. 从网络设计的角度出发提出了230M频率规划和优化方法,提出了蜂窝组网模型,并对网络的参数设置提出了独到的建议。
- intermodulation minimum frequency plan 互调最小频率方案
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- The land is to be sold with outline plan permission for four houses. 因有四栋住宅规划许可草案这块地将被出售。
