How many changes of the constituent parts can you ? have and still be the same hunk of stuff?
要保持是同一辆车,最多可以换多少部件?
So I think there's just a lot of progressive thought in San Francisco, a lot of people pushing for changes.
旧金山有很多进步思想,很多人一直在推动着变化的发生。
Certainly in principle we know how to calculate this and other stuff for a change in state of this sort, for lots of changes of state.
的确原则上我们可以对某个状态变化,计算这些物理量,或者其他物理量,对其他的变化也可以做相同的计算。
There were five changes of government in Argentina in a short time.
阿根廷政府迅速做出回应,出台了五项改革措施应对危机
There're also changes of what you can teach, extends what you can teach, because you can get to concept which are really quite sophisticated that you will never teach it at the introductory level, because the math is the least that you can make it quantitatively, because you have a visualization that shows physically what's going on.
同时这也能改变,教学内容,你能教授的程度,因为你可以定义,那些通常很难的,你在入门阶段都不会遇到的,抽象阶段,因为数学是你最不能,用定量手段来解决的,因为你有一个直观过程,知道什么正在进行。
That can happen but that's abnormal, but changes in maybe the chemistry of the backbone that holds the nucleotides together.
这可能发生的,但属于非正常的变化,而是改变诸如维持核苷酸序列的,主链的化学结构
But if you think of the time span about 900 to 700 B.C., that is, when these changes are taking place.
但是如果你发现它发生在,大约公元前900年到700年之间时
Clearly, if I did nothing more, but I took every car, doubled its fuel economy, its emissions would go to 50% of what they are now, no other changes being made.
显然,如果我什么也不做,但是我把没量车的汽油价加倍,汽车废气排放量就会是现在的一半了,别的不会有什么改变。
Some way of visualizing, or thinking about, where we draw the price changes from.
这是一种可视化或者思考的方式,他让我们进入了。
As a consequence, and of course there's stuff on them and in them that changes the calories.
当然里面还夹了别的配料,使得卡路里更高
If you put in other little strands of melody, it changes it more toward polyphonic texture.
如果将之放到其他的小旋律中,将会改变对位材质。
What did Aristotle think of these changes?
亚里士多德对于这些改变的认知为何?
But I want to go back there because what I want to do now is, I want to change some critical assumptions of that model and see that by making those changes, we're going to get some very different outcomes.
但我回来的原因是,我想改变一些模型的关键假设,并看看通过这些改变,我们将得到何种不同的结果
Or people like Richie Davidson actually scanned the brain and showed significant changes as a result of an 8-week meditation program.
或像是Richie,Davidson,通过扫描大脑,显示八周的冥想项目,可以产生重要改变。
In that case, we understand it as a sequence of cross-sections rather than something that somehow organically changes through time.
这样,我们就是在学习一个个语言的横截面,而不是语言自然的变化过程。
The magnet creates a field which changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个,能改变覆盖在,磁盘表面小金属粒子的磁极。
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