Will it replace a headset on a crystal radio?
是否会取代晶体收音机一耳机一?
He remembers with perfect clarity building a crystal radio in his bedroom around 1920 and amazing his mother, who thought music came only from Victrolas, with the music he "caught for free."
他仍然清晰记得,1920年他卧室里的晶体收音机里收听到的免费音乐,给一度认为音乐只从留声机里来的母亲带来的震惊。
And similarly old crystal radio sets and more recently modern radio frequency identification (RFID) tags, increasingly used in shipping and as antitheft devices, are powered purely by radiowaves.
同样,老式晶体管收音机,以及日益普及于航运及防盗装置上的,更新式的现代无线射频识别技术(RFID),都是仅仅从无线电波中获取能量。
In the 1910's and 1920's many people "hacked" on crystal sets to take advantage of the new high tech world of radio.
在1910年和1920年,许多人“黑”掉水晶套,从而利用无线电的新高科技世界。
Cat whisker a fine metal thread resembling the arched shape of a cat's whisker used in early radio wave detecting crystal sets.
金属细线一种质地良好的金属线,类似于猫的胡须,呈拱形。早期应用于无线电波检测晶体装置。
The main selling-points of satellite radio are its crystal-clear sound, near-universal coverage and a broad choice of advertising-free content, from sports to chat to music.
卫星广播的主要卖点是其清晰语音,无广告干扰的丰富的内容选择——从体育到谈天到音乐。
After switching off of the device, the crystal starts re-emit the recorded information in the form of ultra low amplitude radio waves.
关闭装置后,晶体以超低振幅的无线电波形式重新发射所记录的资讯。
Crystal structures were formed by the copies of DNA, and the radio-shape of the crystal structure resulted from the continuous copies of amyloplast DNA in the development stages.
DNA复制形成了晶体结构(晶体核)以及辐射状的晶体结构,这是淀粉体dna随着发育时期的增长而不断复制的结果。
Crystal structures were formed by the copies of DNA, and the radio-shape of the crystal structure resulted from the continuous copies of amyloplast DNA in the development stages.
DNA复制形成了晶体结构(晶体核)以及辐射状的晶体结构,这是淀粉体dna随着发育时期的增长而不断复制的结果。
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