When it reaches point B, it comes to a halt, and I'm going to ask you now h We've done that in the past in a different way.
到达点B后，停止运动，现在我要问你们,的值是多少。，what，is，the，value，of，h。,过去我们做过这个,用不同的方法。
When it reaches point B, it comes to a halt, and I'm going to ask you now h We've done that in the past in a different way.
到达点B后，停止运动，现在我要问你们,的值是多少。，what，is，the，value，of，h。,过去我们做过这个,用不同的方法。
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