【摘要】 分析单摆振动时影响其周期的各因素，并推导出相应公式，且借助计算机计算出结果并作比较．更多还原

【Abstract】 The writer analyses the elements affecting the period of a simple pendulum and deduces the relative formula . With the help of computer the also calculates the results and contrasts every element.更多还原