The miniature atomic clock could remedy that, meaning driverless cars could become more reliable, and commonplace, than ever. The tiny atomic clocks are not expected to come into fruition anytime ...
They may also set themselves according to atomic clocks ... A radio-controlled clock actually has a miniature radio receiver inside, which is permanently tuned to receive the 60 kHz signal ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果