可以很容易地检测到一次快速摇动，这是因为，尽管移动幅度相对较小，但是加速度比较大，足以捕捉到有用的动作。

A rapid side-to-side shaking motion is easily detected because, although the movements are relatively small, the accelerations are large enough for useful gesture acquisition.

youdao

在各位还没看到的，第二次作业中，我会要求各位，凭借这两个实验的结果，来算出重力加速度。

And in your second assignment, which you haven't seen yet I'm asking you to calculate the gravitational acceleration for me using these both experiments.

youdao

把这一标准差和两次的平均值相比较，我们就能发现他们很相像，（因为我们知道重力加速度是个常数）。

Comparing the ratio of standard deviation to the average for these two distributions shows that they are similar.

youdao