So, we are going to specialize to a very limited class of problems in the rest of this class.
在接下来的时间里,我们会专门研究,一类非常有限的问题
So we ask very limited questions, which is why we brag about how accurately we can predict the future.
我们研究的问题是非常有限的,正因如此我们才敢自豪地说,我们能非常精确地预测未来
That kind of problem tends to arise because they're using a language or a computer that only has finite precision and so there are rounding errors.
这类问题已经日趋严重了,由于他们使用的语言或电脑,都是精度有限的,因此存在这样的问题。
The next phase, concrete operations, from seven to twelve, you can solve the conservation problem, but still you're limited to the extent you're capable of abstract reasoning.
下一阶段,具体运算阶段,七到十二岁,儿童可以解决守恒问题,但儿童的抽象推理能力仍然有限
A limited class of problems is one in which the acceleration is just a constant.
在这类有限的问题里,加速度均为常数
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