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You cannot have a spring pulled only at one side, because then it will then accelerate with infinite acceleration in that direction.
你不可能对弹簧只施加一边的拉力,因为那样的话弹簧就会以无穷大的加速度加速,就在这个方向上
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And the human rights idea came into sort of complete the three-pointed set of interests.
而人权的观点最终在某种程度上,使我的研究方向形成三足鼎立的状况。
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I am only counting in one direction, 2 so I have to multiply this whole thing by two because I have to count both directions.
因为我只是在一个方向上计数，所以我要把这些所有乘以,因为我们必须考虑到2个方向。
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He had a role in pushing Yeats in the direction in which he went.
他在叶芝创作方向上改变,起了一定作用。
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Machiavelli wants to redirect power to some degree away from the nobles and toward the people.
马基雅维利想要在某种程度上,使权力由贵族往人民方向偏转。
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I would link this one facing in this direction I would add onto this.
我将会将这个分子,在这个方向上进行添加
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In recent years, there have been more examples of things that are priced too high than things that are priced too low but there are both and the market makes mistakes in both directions.
在最近的几年里，有更多的例子表明,市场价格是偏高了而不是被偏低了,但是其实两种现象都存在,同时市场也在两个方向上都犯了错误。
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So this is a little bit trickier to look at and see what it means, but essentially we have two hybrid orbitals, which are shown in blue here, and then we have one p orbital that's left alone that's going up and down on the page.
看这个图肯能会觉得比较诡异，但本质上，骂我们有两个杂化轨道，这里用蓝色表示，还有剩下一个p轨道,在图中上下方向上。
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It tells you when a particle moves in a circle, it has an acceleration in a negative R direction, namely directed towards the center.
它告诉你当一个物体在圆周上运动时,它有一个在 -R 方向的加速度,也就是说是直接指向圆心的
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And it's important innovation in several different ways and we're going to talk about this whole science of building artificial organs, devices that are made out of totally synthetic components to replace the function of your natural organs, and the artificial heart is a good example of that.
在很多方向上也做出了重要的创新,我们会讲到,制造人造器官的技术原理,这些装置完全用合成材料制成,能够取代人体器官的功能,人造心脏就是一个很好的范例
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And remember for this class, we always define z as the internuclear or the bond axis.
记住在我们的课堂上，我们总是把z方向定义为核间轴的方向。
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At all future times, x proceeds as if nothing happened and then y, you are falling.
在此后的时间里 x 方向上的状态不变,而 y 方向上不断下落
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But it's also a time that I have an academic and intellectual interest diddling.
我也曾有段时间,在学术和思想研究方向上摇摆不定。
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It's got a change in x and it's got a change in y.
在 x 方向和 y 方向上分别发生了变化
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By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.
顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米
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Synthesis always occurs in one direction and that makes sense to you now because you know there's a directionality and the chemistry is different going one way than the other and this DNA polymerase only works on the chemistry going in one direction.
NA复制过程是单向的,现在你们该明白原因了,因为DNA单链有方向性,DNA在两个方向上化学性质不同,DNA聚合酶,只在一个方向上起作用
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