这些参数对微波无源接力站的设计、安装以及性能估计是很有用的。
These parameters are very useful in the design, installation and estimation of capability for microwave passive radio relays.
2008年，我在北京奥运会火炬接力活动的长野站中担任火炬手，并在北京奥运会开幕式上以旗手身份率领日本代表团入场；
In 2008, I was the torch bearer for the Nagano leg of the Beijing 2008 Olympic Games torch race and the flag bearer for the Japanese national team at the opening ceremony.
通过用户站的多级接力，中心站可以和每一个用户站进行通信。系统硬件简单，占用频率资源少，成本低。
With the help of some users' multi -level relay, the center station can communicate with each user int he system.
本文介绍一种L频段安控系统，它由“三站一中心”组成，用三站无线接力的方法来提高覆盖范围并解决地球曲率对通视的限制。
An L-band safety remote control system is introduced which is composed of three stations and one center in order to increase coverage and overcome the limit of earth curvature to intervisibility.
本文介绍一种L频段安控系统，它由“三站一中心”组成，用三站无线接力的方法来提高覆盖范围并解决地球曲率对通视的限制。
An L-band safety remote control system is introduced which is composed of three stations and one center in order to increase coverage and overcome the limit of earth curvature to intervisibility.
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