Wow, OK, maybe not so wow, but this is now constant. This is constant time access. So I can do searching in constant time which is great.
喔,当然,可能没那么,但是现在是常数级了,这是常数时间的访问。
Let's say you've lost your keys and you're searching throughout your house.
假设你把钥匙给弄丢了,你正在满屋子地找钥匙。
When you are searching a list to see whether it has an element, you don't randomly probe the list, hoping to find whether or not it's there.
当我们在一个数组中,寻找目标元素的时候,我们不会随机的调查数组来看。
Much of the work that pharmaceutical companies do in terms of searching for drugs is searching for new ligands that activate receptors and create biological responses inside cells.
很多制药公司新药筛选工作的主要内容,就是寻找能够激活受体的,新型配体,并在细胞内部产生某种生物学效应
So, how many distinct, so again, we're talking about distinct kinetic energies, a spectrum for the element hafnium, 72 and I'll tell you here that it has a z of 72, so you don't have to spend two minutes searching your periodic table.
好,有多少分立的……还是一样,我们讨论的还是不同的动能,铪元素的光谱中出现,而且我来告诉大家铪的原子序数是,这样你就不用因为在元素周期表中找它,而花费两分钟的时间了。
And you've been searching for an hour. You can't find them.
你已经找了一个小时了,你还是没找到。
That's why we'll do some research or study research as well as do some search-- searching inside us.
那就是为什么我们除了探究我们的内心外-,也会做一些研究或调查研究。
The adoption of this way of thinking was the beginning of the liberation and enthronement of reason to whose searching examination, the Greeks thereafter, exposed everything they perceived natural, human, and divine.
这种思维方式的采用,开启了自由和理智的先河,可谓是是真正自由的开端,从此以后,希腊人便认为,自然的,人性的以及神圣的东西,都应公诸于世
And just as in that earlier poem the act of fishing is symbolically resonant "The Fisherman" is an image of man searching the depths of the world for the wisdom that hides beneath the surface of things.
和以前的事一样,也是有象征意味的,渔夫是一个探索世界的深邃,和隐藏在事物表面下的智慧,的一个人物形象。
And that's like kind of hoping that the element you're searching for is the first in the list and the last in the list. Maybe.
也就是希望要找的元素,在数组的头部或者尾部,情况可能是这样的。
Algorithms for searching. Debugging is simply a search process.
调试简单点来说,就是一个搜索的过程。
You're searching three or four things, but nonetheless, you have to do that trade off.
你只是在三个或四个数据中进行查找,但是即使如此,你也必须做一些权衡。
At each stage, no matter which branch, here or here, I take, I'm cutting down the length of the list that I'm searching in half. All right?
选的是这里还是那里,我总是把列表分成两半,对吧?,所以如果我处理一个长度为n的列表?
If we can sort things, you know, we get this n log n behavior, and we got a n log n behavior overall. But can we actually do better in terms of searching.
如果我们可以排序,如你所知,我们有n,log,n级别的算法,并且我有一个整体的n,log,n级别的算法,但是我们在搜索方面可以做的更好吗?
If you were searching for unique populations of cells within the bone marrow what tools would you use to look for them?
如果你要在骨髓中,找一组特定的细胞群,你用什么工具来找呢
So, as the gentleman back there said, if I'm searching it once, just use the linear search.
如果我就搜索一次,就用线性搜索吧,另一方面。
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