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And when you have an optimal substructure and the local solutions overlap, that's when you can bring dynamic programming to bear.
当你得到一个最优子结构,但局部解决方案有重跌时，你就可以引入动态编程,来解决这个问题了。
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and then you can either... and then you have the chance to gain other one to two points extra.
然后你可以要么……然后你就有机会再额外得到一到两分。
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Right. So similarly, if you've got one line of code with a semicolon at the end saying, this is the end of the statement, it doesn't really make sense to continue that conversation to try to continue conceptually that puzzle piece with curly braces.
对的，类似的，如果你得到了一行代码,后面有一个分号，标志语句的结尾,这就没有意义来继续,那个会话来尝试对那段代码,使用花括号。
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And each time one of these errors occurs, or you get multiple errors that compound each other, then you've got a lot of potential error introduced in these messages.
每当有误差发生,或多重误差复合叠加,然后你所得到的信息,就会包含很多潜在的误差
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You certainly get probably get three of those four.
你很有可能得到以上四个里的三个。
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But when you solve the Schrodingerequation, you don't get just a set of solutions that are dependent upon one number.
但当你解薛定谔的方程式时，你没得到有一个统一答案的,一系列解决方法。
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You put these things together and you get the conclusion that we, since we've got free will, can't be a purely physical object.
综上所述 你就能得到这样的结论,由于我们有自由意志,所以不可能是纯粹的物理对象
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One is that you got to get the vaccine from cows, so you got to have an infected cow in order to produce the vaccine.
一是,你若要想从奶牛身上得到疫苗,那就得有一头奶牛感染病毒
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It's very spiritual, it's very cleansing, and you get exercise.
这是精神层面的运动，有净化作用，你还能得到锻炼。
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But it has a property that when you add it to anything, you get the same vector.
但它有个性质,就是用它加任何矢量,你得到的都还是原矢量
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Any of you who have access to a four- or five-year-old, a sibling or something-- Do not take one without permission, but if you have access to a four- or five-year-old you can do this yourself.
如果你身边有四五岁大的孩子,兄弟姐妹什么的,一定要先得到同意再去试验,如果你身边有四五岁大的孩子,你可以自己去试试
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so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.
因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。
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You have a molecule where we put the carbon in the center, and we go up like this, like this, and out the back.
你有一个分子,我们把碳放在中间，现在我们得到了。
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If you start with only one, you have two pieces of DNA, then you'll get 2 to the Nth fragments after N cycles because each cycle you're doubling the number.
如果你从仅仅一个DNA开始,你有两条DNA链,经过N次循环后,就得到二的N次方个DNA片段,因为每次循环都使其数量翻倍
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if you do that under the situation where you've put your plasmid into these micro-organisms then you're going to have little colonies that grow many copies of the bacterial cells.
如果你在质粒已经进入了微生物,的情况下培养它们,你就会得到许多小菌落,里面长有很多增殖出来的细菌
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It's a particle of mass m and momentum p has this energy so you solve for the energy, you get two answers.
一个质量为m,动量为p的粒子,有这么大的能量,你解出能量,得到两个解
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That means, when I take two derivatives, I want to get a, then you should know enough calculus to know it has to be something like at^, and half comes from taking two derivatives.
也就是说,当我想求二阶导时,得到了a,你应该有足够的微积分知识,才能知道必须有类似at^的项,而这个1/2则是因为求了两次导数
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