...中医讲清热解毒 » The Chinese medicine explains the thermal decomposition poisonously 我反对这件事 » I object to about it 这学期,我的学期成绩还不错,在英语方面,还有待加强,数学和语文学的还不错,在这学期,我会更加努力,让学习更好,不辜负你们...
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The other way to think about it, if I had a flat object then the center of mass would basically be the point where I would need to hold it so it is perfectly balanced.
从另一个角度看,一个平面物体的重心就是,如果在重心处拿起物体,它就能完全地保持平衡。
I happened to look over and saw this large floating object that was just moving very slowly. It was probably about a football field in length.
我正好向外看,看到这个大型漂浮的物体在非常缓慢地移动。它可能有一个橄榄球场那么长。
We turned around about 100 yards past the object to try and get a picture of it but it was gone, no lights in the trees, in the sky, or anywhere else that I could find.
我们转头过去的对象约100公尺,试图得到它的一个画面,但它已经走了,在树上没有灯光,在天空中,或任何其他地方,我能找到。
What is it you have to know about this object that was thrown, I claim, is the initial location of the object and the initial velocity.
关于这个物体,我们需要了解什么,我要强调的,就是这个物体的初位置和初速度
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