shortwave radio; HF band
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
shortwave; radio waves with wavelengths between 10 and 100 meters (frequency 30–3 MHz)
technicalPropagates via ground waves or sky waves (ionospheric reflection), enabling long-distance communication. Widely used in international broadcasting, amateur radio, and maritime communication.
Duǎn短
bō波
guǎng广
bō播
kě可
yǐ以
kuà跨
yuè越
guó国
jiè界
chuán传
bō播
。
Shortwave broadcasting can cross national borders.
Tā他
xǐ喜
huan欢
yòng用
duǎn短
bō波
shōu收
yīn音
jī机
shōu收
tīng听
guó国
jì际
xīn新
wén闻
。
He likes to use a shortwave radio to listen to international news.
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Duǎn短
bō波
xìn信
hào号
yī依
kào靠
diàn电
lí离
céng层
fǎn反
shè射
chuán传
bō播
。
Shortwave signals propagate via reflection off the ionosphere.
Zhè这
zhǒng种
shè设
bèi备
zhī支
chí持
duǎn短
bō波
tōng通
xìn信
。
This equipment supports shortwave communication.