The conventional modes of hydrological information transmission are UltrashortWave and Wired Dial in the PSTN.
在传统的传输方式中主要有超短波与有线拨号两种方式。
2
The subject in this thesis comes from the researching of some special ultrashortwave communication device transmission system.
本文所研究内容的课题来源于某专用超短波通信设备转信系统的研究。
3
From the mode of information transmission, the wireless communication can be classified as long wave, medium wave, shortwave, ultrashortwave, and microwave.