个人建议如果可以不用英文系统,还是安装个中文系统, 如果一定要用英文系统,应该找到干净原版的。
But in you second picture, the system you using now must see some trouble if you want in chinese. So you can try install you system again and look for some third patch .
如果你一定要用的话,就调到低火刚刚加热就好,不要时间太长。
在期末考试中,是用不上两个参数,表示来处理平面的,但如果你一定要用,可以考虑,给定平面上的一个起点。
So, you won't need to know about parametric descriptions of planes on a final, but if you really wanted to, you would think of defining a point on a plane as starting from some given point.
So, that is a tricky problem to begin with because if you take this formula here, it tells you y if you know t, but no, we're not saying that.
以这个问题刚开始的时候有点难度,因为如果你要用这个公式,求y的时候就一定要知道t,但是,我们不知道
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