We've used these effectively to build our electronic systems and our blogs and all of these companies that we're building.
我们会有效地使用它们,来建立一个电子系统,建立我们的博客和我们建立的,所有的公司。
What you might have expected would be the children would then use whatever system their adults use, but they don't.
你可能会认为儿童会使用,成人所使用的语言系统,但事实并非如此
This is just an acronym that you still see and use today, though there were newer systems that are more expressive for other languages, non-romance languages.
这就是你仍在看到和使用的缩略词,尽管出现了新的语言系统,能够更好的表达其他的语言。
This is commonly used in the immune system as well, but it's a way of amplifying a signal.
免疫系统也常使用这种方法,但这主要是一种放大信号的方式
They borrow the characters from what had been already something quite close to an alphabet and had only a relatively small number.
他们从十分接近字母系统的书写体系中,借来字符使用,而这些字符相对较少
They had a mail service, although it was for official use only.
建立了邮政系统,虽然只供官方使用。
The two analogies we use " was strengthening our immune system or stronger "psychological engine" that has the capacity to endure more not just from the negative to zero, but also from the zero to the positive.
我们使用的两个类比,是加强我们的免役系统或加强“心理引擎“,获得更强大的忍受能力,不只是从负到零,还要从零到正。
This is a mode of communication that's used very frequently in the immune system as we'll see later.
这种通讯方式,在免疫系统中广泛使用,我们下面会讲
Starting next week you'll actually be using a cluster Cloud CS50 net of systems that CS50 itself runs called Cloud.CS50.net.
从下周开始你将使用一个运行CS50的系统群集,称为。
So if you're coming from prior background, your code might work a little differently on a different system if you don't use those flags.
如果你来自一个先前的背景,如果你们没有使用这个版本标志的话,在一个不同的系统中,你的代码可能运行地不太一样。
I can certainly try to write the number 13 there, but bam, my program very likely will crash if this chunk of memory was not given to me previously by the operating system and maybe it is owned by the operating system.
我当然可以在那里写下数字13,但是“嘣“,如果这块内存不是系统预先给我的,我的程序很可能会崩溃,可能这块内存,是系统本身使用的。
That would be a bad design for our nervous system where we want to use cells over and over again, so they're able to recover from this change in potential.
这样的神经系统设计可不怎么样,我们想要能重复使用的神经细胞,所以它们具有从电势变化中恢复的能力
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