And so you could construct all subsets, check that the weight is less than the weight of the knapsack, and then choose the subset with the maximum value.
因此你可以构建所有子问题,判断它的重量,是否小于背包的重量,然后选择值最大的子问题。
In a way, there's a subset of questions that arises from those, to the effect that this is, of course, what we'll be taking up next time: the question "What is an author?"
从这些大问题中又会产生一些小问题,这些问题也将是我们以后会讨论的:,关于文学的缘由,我们接着又会问,“作者是谁?“
Or a subset with the maximum value, there may be more than one, and you're done.
或者是有最大值的子问题集,可能不只一个子问题符合条件,然后就解决问题了。
We've been talking about single cell or some subset of cells and propagating them so that you get a larger population of cells.
我们说到了一个细胞,或者一组细胞进行繁殖以后,你就能得到数目可观的细胞
It's just like if you restrict me to only a subset of numbers, only the odd numbers, still there's an infinity of odd numbers.
这就像,如果你把我限制在数字的子集,只是奇数,但奇数的数量却仍然是无限多的
Initially, last time, we considered a set of or a subset of arguments that basically said, "Look, there's got to be more to us than just material objects.
起初,上节课上,我们探讨了一类或者说是,一小类论证,这些论证的基本观点是,我们肯定不仅仅是些物质实体
I bet there are people in this room who know the lyrics to over 1,000 songs, NBA know the number of every individual in the National Basketball Association, so I think that learning some subset of elements is not unreasonable.
我敢打赌这个房间里有那么些人,他们能记得住超过1000首歌的歌词,记得住,每个人的号码,因此我认为,能记住这些元素也不是不可能的。
And now we want to find the subset of a that has the maximum value, subject to the weight constraint.
会有一个值与其对应,现在我们想要找出满足,重量约束条件的a的最大值子集。
It's this group of cells, this subset of cells from the developing embryo that become the embryo, that become the organism, become the human.
这一组细胞,这组发育胚胎中的细胞亚群,发育成胚胎,发育组织,直至发育成整个人体
but rather, why is this tiny subset of mental life-- " why is this conscious?
而应该是“为什么心理活动的一小部分-,为什么这一小部分是有意识的?
Sickle cell anemia is a disease that affects a subset of the population.
镰状红细胞贫血症,是一种作用于特定人群的疾病
But this antigen presenting cell is more likely a professional antigen presenting cell, or a subset of cells of your immune system that are specialized in ingesting foreign particles and displaying their contents to the rest of the immune system.
但这种抗原呈递细胞更加类似于,专职抗原呈递细胞,或者是体内免疫细胞中的一个亚群,专门从事吞噬异己物质,并告知免疫系统的其他细胞的工作
One of the results of that stimulation is that B-cells - a particular subset of B-cells - gets activated.
这种激活的结果之一就是,B细胞,一类特别的B细胞亚族被激活
The humoral immune response involves antibody production and antibodies are made by a subset of cells called B-cells.
体液免疫反应中包括抗体的产生过程,抗体是由一类称为B细胞的细胞亚族产生
So, that's antigen presentation to this population of cells called cytotoxic T-cells, Tc, a subset of the class of T-cells in the immune system.
这些细胞被呈递给另一种细胞,这些细胞被称为细胞毒性T细胞,是免疫系统中T淋巴细胞的亚群中的一种
There's a subset.
它拥有一个子集
Another subset of T-cells called T helper cells will recognize that signal by direct contact with it, and they will become activated and proliferate.
另外一个T细胞的亚群是辅助性T细胞,辅助性T细胞可识别与其接触的抗原信号,并被激活,开始增殖
We did not yet have good methods for screening blood to look for HIV, we didn't have the ELISA technique that I--we talked about in section a few weeks ago and so there was a great concern that there might be other diseases that you'd be passing on from-- unknowingly from this subset of patients that you're isolating the vaccine from.
那时我们还没有一种好的方式,来从血液中筛查出HIV,也还没有ELISA技术,该技术我们在几周前的一个章节中谈到过,因此,那时仍存有,很大的担心,那就是你有可能,在不知情的情况下,被那些病人,感染上其它疾病,因为疫苗就是从他们身上提取出来的
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