Shortwave signals bounce off the ionosphere, a layer of charged particles high in the atmosphere.

电离层是大气中的一层带电粒子层，短波信号会从电离层反射回来。

After the cold war ended, shortwave radios gave way to television and the internet, and the broadcasts were wound down.

冷战结束后，短波收音机让位于电视和互联网，广播也随之减少。

It's a shortwave radio channel. It might be still working.

那是短波，可能还有作用。

WWV and WWVH broadcast on a number of shortwave frequencies, which can be heard in many parts of the world.

WWV 和 WWVH 在许多短波频率上广播，可以在世界许多地方听到。

Across the continent and later to the whole world by shortwave, come song hits of the day, starring America's number one composer with a band.

由美国第一作曲家和乐队主演的当日热门歌曲通过短波传遍整个大陆，随后传至全世界。

It turned out that because Ove's house now lay exactly on the municipal boundary, clearance from the command center was required on the shortwave radio before they could get to work.

原来，欧维的房子正好落在两市的交界处，有关部门需要先通过短波澄清责任，在这之前，谁也不能灭火。

She's blind and is equally fascinated by the radio because she listens nightly to a shortwave broadcast, aimed at kids, hosted by a mysterious ham operator who calls himself the Professor.

她是盲人，但同样对广播着迷，因为她每晚都会收听针对儿童的短波广播，由一位自称教授的神秘火腿操作员主持。

Any longer and—for me, at least—the story begins to take on an odd foreign feel, like a dispatch from the Romanian Department of Public Affairs, or something broadcast on high-band shortwave during a period of severe sunspot activity.

至少对我来说，超过了这个时间的话故事就会产生一种奇怪的异质感，就像是罗马尼亚公共事务部派出的一支小分队，或是太阳黑子活动剧烈的时候高频短波收音机里播出的声音。