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If you ever tried to walk on a fallen tree log, you understand what the expression means.
VOA: special.2009.06.07
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The driver's expression and his hand stayed exactly the way they were, as if he didn't hear very well.
就像是没怎么听见似的,那个司机的表情和手几乎一动不动，“
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And now, if I'm touching mouse pointer, we saw that Boolean expression before, play sound meow, wait a couple of seconds, and then just keep checking.
现在，如果我们碰下鼠标指针，起初我们看到一个布尔表达式，播放猫叫的声音，等几秒钟，然后如刚才那样做检测。
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I just want to remind you, if I wanted to, for example, type in an expression like that, notice the syntactical form, it's an expression, a number, followed by an operand, followed by another expression.
我想要提醒下大家，如果你想要，例如，输入一个这样的表达式，注意语法形式，这是个表达式，一个数字，后面是一个运算对象，后面是另外一个表达式。
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Well, well and good, but at the same time, if that's the case, and if there is this extraordinary emphasis on the importance of the expression of genius, you can see what's beginning to happen.
很好，但与此同时，如果过于重视那些,天才作家的表达，你可以看到它所引起的后果。
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In this book, what I wanna just hit home here, especially for those if you are watching this, is that spiritual life and religious expression is not something that you do once and then you're done.
这本书，我想重申它的精彩之处，观众们，在于告诉你们，精神生活和宗教表达,并不是一次就,可以完成的事儿。
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What you could do then, if you could deliver these red colored molecules here is you could stop specifically the expression of this particular gene in these particular cells.
接下来你能做的是,如果你能将这些红色的分子送到这里,就能够特异地阻止,特定细胞中特定基因的表达
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So the best response for Player 1, as a function of what Player 2 chooses, q2, is just equal to the q1 hat in this expression and if I solve that out carefully, I will no doubt make a mistake, but let's try it.
这个就是参与人1的最佳对策,它是参与人2策略q2的一个函数,它和之前的q1帽那个表达式是相等的,虽然我是很仔细地计算的,还是有可能算错的,我来验证一下
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Scratch This Boolean expression allows you to say to scratch if you are touching the mouse pointer, the little arrow, do something. How do we do something?
布尔表达式允许你告诉,当你触碰到鼠标指针，也就是小箭头，程序就相应地做一些事情？
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That code says the following: the IF says, I've got an expression, I'm going to evaluate it.
代码的含义是这样的：,我有一个表达式，我会去对这个表达式求值。
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Of course, if you degrade the messenger RNA at a rapid rate then you'll stop expression of the cells.
如果降解信使RNA的速度很快的话,就会停止细胞的表达
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So the take away is that if the user actually gives me two or three or four or whatever, this is this expression "is n less than 1" is going to evaluate to false if it's actually two or three or four or whatever.
所以先不管用户实际上给我,3，4还是其他数，这个表达式,“是否n小于1“将被评估为错误的,如果输入额是2，3，4或其它的数。
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What do you think should happen if I evaluate that expression?
你认为我对表达式求值的话,会发生什么？
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Scratch The syntax actually looks reminiscent to Scratch, where you have a puzzle piece reminiscent of this shape, but you have to say "if" followed by a space, followed by in parenthesis, the Boolean expression that you want to check -- more on those in a moment.
这个语法看起来使人想起，那里有一个这种形状的程序块，但是你必须说明“if“后面跟着一个空格，跟着一个括号，一个你需要核对的布尔表达式,-还有更多的。
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