例句
His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.
这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。
Additional test results also indicate that the new hydrogen maser atomic clock onboard GIOVE-B is working correctly.
此外，测试结果还表明GIOVE-B携带的氢微波激射器原子钟运转良好。