What does that mean for the acceleration?
就加速度而言这意味着什么呢?
Here, when it makes this rounding curve the velocity is positive here, but on this side it's negative so what does that mean for the acceleration?
这里,就在曲线的拐角,速度一开始是正的,不过在另一边就成了负的,就加速度而言这又意味着什么呢?
Record the value for the Mean of the acceleration of the picket fence in the Data Table.
将栅栏的加速度的平均值记录在数据表中。
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