这个角度永远不会很大，当我们算θ最大值时,你会看到,我们将会得到一个很,好的简谐震荡近似值。
The angles will never be very large, as you will see later when we calculate theta maximum, and so we know that we're going to get a simple harmonic oscillation to a very good approximation.
这个角度永远不会很大，当我们算θ最大值时,你会看到,我们将会得到一个很,好的简谐震荡近似值。
The angles will never be very large, as you will see later when we calculate theta maximum, and so we know that we're going to get a simple harmonic oscillation to a very good approximation.
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