先回去吧!
So the calculation of the proportion of twisting moment between the front bar and back bar is based on an accurate calculation.
使前、后连杆分担总扭矩的比例问题建立在较精确的计算基础上。
He was also always straightening: fluffing pillows, righting picture frames, sliding back bar stools and getting down on his knees to level a rickety table.
此外,总能发现他在整理店中的东西:弹弹枕头、扶正相框、还原酒吧凳,蹲下来弄平摇摇晃晃的桌子。
She would draft poems on the back of recipes,shopping lists, chocolate bar wrappers, pharmacy flyers and wings of envelopes.
VOA: standard.2010.06.22
PROFESSOR: So, does anyone have any questions about the set up here, does it make sense what we're looking for the bar to go back once we make some progress.
教授:所以,有人对这套装置,有疑问吗,一旦我们,取得了一些进展,我们看到这个棒又返回来。
So one very simple study by Spelke and Baillargeon: Have babies shown a block with a bar going back and forth like that.
斯皮克和巴亚热昂做了一个简单的研究,向婴儿呈现一个木块,木块中间有一个能够来回移动的木杆,就像这个样子
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