In particular, our country is vast, relatively frequent geological disasters and other means of communication can not be guaranteed, short-wave communications role is particularly important.
尤其是我国幅员广阔，地质灾害相对频繁发生，其他通信手段得不到保证时，短波通信的作用显得尤为重要。
This arrangement lasted until the 1930s, when the invention of short-wave wireless improved and cut communications costs.
这种安排一直持续到1930年，当时的无线短波改善和降低了通讯费用。
With the rapid development of wireless communications technology, short-wave band radio has become increasingly crowded, mutual interference has become increasingly serious.
随着无线通信技术的飞速发展，无线电台的短波波段已经越来越拥挤，相互之间的干扰也变得越来越严重。
Short-wave communication is an important wireless communications technology in the field of military communications.
短波通信是军事通信领域中一种重要的无线通信技术。
Short-wave communication is an important wireless communications technology in the field of military communications.
短波通信是军事通信领域中一种重要的无线通信技术。
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