Somebody's up there going and it's actually the bass so we'll be wanting to zero in on the bass in a big way in music because that's oftentimes giving us much more information than the melody.
有些人在那唱,事实上那是低音,所以我们在音乐中,主要将注意力集中到低音上,因为大多数情况下,相比旋律而言,低音给我们的信息更多
But here, as we saw in week zero with the shoe example putting on socks, I have to increment this variable explicitly myself.
但是这里,像我们上周看到的,鞋子穿在袜子上,我需要亲自明确地增加这个变量。
The reason in our radial probability distributions we start -- the reason, if you look at the zero point on the radius that we start at zero is because we're multiplying the probability density by some volume, and when we're not anywhere 0 from the nucleus, that volume is defined as zero.
在径向概率密度里,我们开始,如果你们看半径的零点,我们从零点开始,因为我们用概率密,度乘以体积,而当我们,在离核子很近的地方,体积是,所以我们会在这里。
And the mathematics of that equation involved a double derivative in time of x 0 plus some constant times x equals zero with some constraints on it.
那个数学方程式,包括了x对时间的二阶导数,加上常数乘以x等于,还有一些限制条件。
In Philip's case, we ask the question, does he have zero or none zero socks on his feet?
在飞利浦这个例子中,我们就需要判断,他的脚上有没有袜子?
And I mentioned on Wednesday that computer scientists do 1 in fact start counting from zero not one.
在星期三,我曾经提到过计算机专家,从0开始计数而不是。
So with problems at zero, ; which will be posted in two forms; PDF PDF for standard and PDF for hacker on cs50.net tonight, you will have the choice of implementing pretty much any scratch projects you can think of, and which subject to very few constraints.
对于问题集,我们提供了;,标准PDF以及可编程,今晚它们都会被放在CS50,net上,你可以选择任何,你想到的项目,范围不限。
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