Sandia公司的Simmons博士注意到，传统灯泡是最后一批还在使用真空管的装置，这项陈旧的技术在无线电和大多数电视上早就已经被取代了。

Conventional light bulbs are among the last devices that use vacuum tubes, an old technology that has long been replaced in radios and most televisions, notes Sandia's Dr Simmons.

youdao

巴克斯说，“在大多数时候，你会发现鼻烟壶或者大型钟表里安装有鸟鸣装置，它们方块状的外形是由功能决定的。”

'Most of The Times, you'll find [a singing bird] in a snuff box or bulky clock, where the blocky form is dictated by the function,' says Mr. Bacs.

youdao

在弗兰克·索看来，目前使用的大多数夜视设备装着一大堆电子元件，需要几千伏特的工作电压。 为了让画面更加逼真，夜视镜的镜头与镜头之间必须保持真空状态，因此整个装置比较沉重。

Most night vision devices today use massive amounts of electricity -- often several thousand volts, according to So -- and heavy, glass lenses that maintain a vacuum to make the night come alive.

youdao