当 a >=theta 时y=1，反之 y=0。
OK, so for a given, x, the range of y is, y 0 It's still zero.
对于给定的x，y的取值范围是。。。,的最小值？，well，，so，what’s，the，lowest，value，of，y，that，we，want，to，look，at？,仍旧是。
Clearly, to know when X is the same person as y, we would need to know when X has the "same soul" as y?
明显地，要知道什么时候X和Y是一样的人，我们就需要了解X在何时和Y有着同样的想法。
Y coordinates: The Y coordinate is a point's vertical distance from the origin.
Y坐标：Y坐标是某一个点距离原点的纵向距离。
Well, what is this distance? It is just y,or maybe absolute value of y.
这里的距离是什么？是y，准确地说是y的绝对值。
in the minus y direction and there is a normal force in the plus y direction and these two exactly cancel each other.
,在y的负方向,那么也有一个常力,在y的正方向,这两个力互相抵消。
The XPath expressions (x != y) and not(x = y) are different.
XPath表达式 (x ! =y)和not(x = y)是不同的。
Now, y points to the same place as X. So, wait now y is fixed.
现在，y和x指向同一东西，所以现在y被修正了。
And then I know I want to y switch to usual coordinates x and y.
然后想到的是,把它转换成一般的坐标x和。
y So, for each x and y, I plot a point at height given with the value of the a function.
对每个x和，在高度为函数值的地方描点。
Assume that the grammar files parser1.y and parser2.y are located in the same directory.
假设语法文件parser1 . y和parser2 . y位于同一目录中。
x y It's really the same thing. So, x, y, let's see, where is this function equal to zero?
实际上是相同的，函数值为0的点在哪里？
Y so this distance is also y, same as that.
这段距离也是。
Y is for year; years bring wisdom. Y.
代表年岁。年岁年岁，增长智慧。
Y is for year; years bring wisdom. Y.
代表年岁。年岁年岁，增长智慧。
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