Ultrasonic has a good pointing, the attenuation in water is small, beam radio feature fine.

超声波具有指向性好，在水中衰减小，束射特性优良。

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Millimeter wave scanners beam radio waves over the body to create a three-dimensional image.

毫米波长扫描仪发射无线电波到人体表面，产生一个三维图像。

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The other neutron star does not beam radio pulses toward Earth, so it remains unseen except for its gravitational influence.

另外一颗中子星没有发出朝向地球的脉冲信号，所以除了重力影响，它不能被观测到。

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Since all that dirt and heavy pipe provides lots of insulation, Nethercomm can beam a radio signal and not have to worry about interference.

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Clementine's radio beam was bounced off the moon to a receiving dish on earth.

ECONOMIST: Creative destruction

The attraction of these tiny passive chips, which emit a stream of digital data only when energised by a radio beam, is that it is not necessary to see a tag to read it.

ECONOMIST: Tech.view