短波收音机用的波段是20–50米。
1924年，他说服英国政府用他最新发明的短波无线电技术来建立无线电台链，环绕世界。
In 1924 he convinced the British government to encircle the world with a chain of wireless stations using the latest technology that he had devised, shortwave radio.
小的发出短波(蓝光)。
我们应该有轻便的短波通讯设备。
酒吧里一台短波长的收音机正在播放流行音乐。
He went to a bar, in the bar, a short wavelength radio was broadcasting pop music.
短波收音机如今看来可能像是一种很古老的技术。
A shortwave radio might seem like ancient technology these days.
这部短波收音机是所有当中最贵的一部。
这台收音机可以接收短波、中波和长波。
这个收音机能收短波吗？
我独自一人，但我并不寂寞，因为我有一个短波收音机。
I am alone, but I'm not lonely at all, for I've got a shortwave radio.
早上的太阳光里面包含了高浓度的短波蓝光。
In the morning, sunlight contains high concentrations of this blue light.
短波电台里开始传出邱吉尔那抑扬顿挫的声调。
Churchill's cadences began to roll out of the short-wave radio.
这是因为这种色素会积聚在视网膜，吸收损害眼睛短波光线。
That\'s because both nutrients, which are actually pigments, appear to accumulate in your retinas, where they absorb the type of shortwave light rays that can damage your eyes.
该组织为世界上一些最贫穷地区的学校和社区提供短波收音机。
It provides shortwave radios to schools and communities in some of the poorest areas of the world.
这意味着黑色素吸收更长波长的光线，较短波长的光线则被散射。
This means longer wavelengths of light are absorbed by the dark back of the eye, while the shorter wavelengths are scattered.
大部分确实矫枉过正的短波收听和一些需要特殊的测试设备。
Most are really overkill for shortwave listening and some require special test equipment.
较大尺寸晶体发射长波光线(红光)，小晶体则发射短波光线(蓝光)。
Large ones emit long wavelengths (red light). Small ones emit shorter wavelengths (blue).
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。
This arrangement lasted until the 1930s, when the invention of short-wave wireless improved and cut communications costs.
广告里经常用一些故作神秘的缩略词，颇有冷战时期短波电台暗语播报的氛围。
Mysterious acronyms give the ads the flavor of coded Cold War era shortwave radio broadcasts.
超短波信号用圆形天线阵接收，采用MUSIC算法检测方位信息。
With circular antennas accepting the Ultrashort wave signal, by MUSIC arithmetic to measure direction information.
因此从水面下的锥体对长波黄光敏感而水面上的锥体对短波绿光敏感。
So cones hit by underwater rays are primed to sense longer-wavelength yellow light.
当金色纳米微粒收到肉眼不可见的更短波长的光照射时，它们将被激发并发出紫光。
When shorter wavelengths of light, invisible to the human eye, hit the gold nanoparticles, they get excited and start to glow violet.
对比普通激光加工，超短脉冲和短波长对各种材料的优势作用日趋显现。
In comparison with ordinary laser processing, the advantages of ultrashort pulse and short wave to all kinds of materials are presented.
因此地方无线电台使用频率相对较高调频无线通讯，而低频短波无线电则可以遍及全球。
Thus FM radio at relatively high frequencies is used for local stations but does not travel far, whereas short-wave radio, at low frequencies, can stretch around the world.
简介超短波电疗机是利用超短波的高频电能作用于人的肌体进行治疗的仪器。
Ultrashort wave Electrotherapy Machine is an instrument which utilizes high frequency electric energy of ultrashort wave to act on human's organism for treatment.
简介超短波电疗机是利用超短波的高频电能作用于人的肌体进行治疗的仪器。
Ultrashort wave Electrotherapy Machine is an instrument which utilizes high frequency electric energy of ultrashort wave to act on human's organism for treatment.
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