• 1. caesium atomic clock: 铯原子钟
• 2. caesium m atomic clock: 铯原子钟
• 3. caesium beam atomic clock: 铯原子钟

• 1.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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