Kinases can, in many cases, serve as a mechanism for switching a protein on or switching a protein off.
激酶能够,在很多情况下,能够激活一种蛋白或者关闭一种蛋白
There's no switching back and forth.
不能在两者之间变来变去。
But also, switching out the trans fat in another kind of fat doesn't change the calories at all.
同样地,用其它的脂肪来代替,反式脂肪酸不会改变食物的总热量
But when you start writing programs, especially when we get to web-based stuff where you want -- to check the user's input -- is it valid, is it an email address, -- and all these different scenarios -- it's actually often useful to be able to just enumerate them or rattle them off using this switching construct instead.
但是当你看是写程序时,特别是当我们,使用基于网络的东西,你想要,检查用户的输入-,它是合法的吗?它是不是一个电子邮箱地址?,所有的这些场景-,实际上它常常是有用的,当你用枚举结构列举它们,或者用它来快速地来说出它们。
So, for instance, one example is there's no language in the world that ever constructs a question by switching the order of words around in a sentence.
举例来说,世界上并没有语言能够通过,改变句子中词的顺序,来构成疑问句
PROFESSOR BAWENDI: You're switching this way here?
你换到,另一半了?
I'm switching between you and me.
我在你和我之间转换。
There are nine keys for my left thumb alone so I'm kind of switching between these on the back here and many others, and because of that I can go very high and I'll just demonstrate that.
我的左手拇指就要控制九个音键,通过按动后部,和其他地方的音键,我就能吹出很高的音,我现在就来演示
As you get older, your human capital evolves and it has its ups and downs as you age and you start switching from human capital to other forms of capital.
随着年龄增长,你的人力资本不断发展,它随着你的年龄不断起伏,你的人力资本开始,转变成其他形式的资本。
And when you're switching n's, you're actually getting quite a bit farther away.
而当你改变,n,的大小时,实际上每一步你都会变远了很多。
STUDENT: I'm switching to .
学生:不,我现在改到另一边。
Some of this can be done if consumers make different choices in what they eat, but some can be silent changes too, so Frito-Lay taking the Trans fats out of their products and switching them with a healthier fat is a silent change that could have a positive impact on public health.
有些只要消费者选择其它的食物即可做到,但也有些变化是悄无声息的,菲多利将其产品中的反式脂肪,替换成更健康的脂肪就并未声张,这对大众健康有着积极的影响
So turns out C supports what's called a switch, a switching construct.
所以C语言支持叫做switch的东西,一个开关结构。
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