The key to both experiments is the quantum logic atomic clock, which USES the oscillation of a single aluminium ion to maintain precise timing.
两个实验的重点是量子铝原子钟，它利用单一铝离子的震荡来精准测量时间的流逝。
So in experiment we should measure the length of single pendulum, then get the period of oscillation in this condition.
在实验中就要测定单摆的摆长，然后测定此摆长时的振动周期。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
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