电子手表有走时准确，价格便宜的优点。

Electronic watches have such advantages as keeping accurate time and being cheap.

找一些安静、稳定的东西，一台低音的小风扇，一只电子手表或钟是一个很好的选择。

Find something that makes a very quiet, steady sound. A small fan on a low setting or a real, non-electric, ticking watch or clock are ideal.

二十世纪七十年代，这些发着红光的二极管在太空时代被广泛使用，它出现在收音机闹钟，袖珍计算器以及电子手表上。

The first ones to come into wide use—glowing a space-age red—turned up in the clock radios, pocket calculators, and digital watches of the 1970s.