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。

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Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.

铯原子的均匀振动记录时间，故而十分准确。

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Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.

铯原子的均匀振动记录时间，故而十分准确。

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