例析运用等效思想推导单摆周 --中国期刊网 关键词：单摆周期；等效思想；非惯性 [gap=2922]Key words: period of single pendulum; equivalent idea; non-inertial
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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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