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我获得了杠杆定律的表达式。
I derived an expression for the lever rule.
youdao
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但是布尔表达式实际上测试什么？
But what does the Boolean expression actually test for?
youdao
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好，现在我们有能量的表达式。
Well, now we have an expression for the energy.
youdao
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那么，例如，这里有个表达式。
So, for example, there's an expression.
youdao
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在这种情况下，该表达式语法有效。
In this case, the expression syntax is valid.
youdao
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对不对？这个表达式的值是多少？
All right? What's the value of that expression?
youdao
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单击ok以关闭表达式编辑器。
Click OK to close the expression editor.
youdao
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能量和概率，由这个表达式给出。
And that energy, that probability, is given by this expression.
youdao
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对于这种表达式是没有简单的公式。
There is no simple formula for this kind of thing.
youdao
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你能用表达式树做些什么呢？
What can you do with expression trees?
youdao
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这将出现一个表达式编辑器。
An expression editor should come up.
youdao
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正则表达式参数是路由机制。
The regular expression argument is the routing mechanism.
youdao
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再次单击可将表达式收缩。
Click there again to contract this expression.
youdao
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您刚刚遇到了表达式问题。
You have just met the Expression Problem.
youdao
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它的表达式不是那么简单。
The expression for it isn't so simple.
youdao
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我们可以简化成如下表达式
We can shorten it to the following expression.
youdao
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第4步：评估正则表达式。
Step 4: Evaluate the regular expression.
youdao
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表达式的重要元素是变量。
One important element of expressions is the variable.
youdao
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表达式\1,\2,...
The expressions \1, \2, ….
youdao
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你认为我对表达式求值的话,会发生什么？
What do you think should happen if I evaluate that expression?
youdao
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从左到右读入后缀表达式
Read the postfix expression from left to right.
youdao
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甚至可以替换JEXL表达式解释器。
You can even replace the JEXL expression interpreter.
youdao
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它被当作参数化表达式。
It is treated as the parameterized expression.
youdao
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该表达式的限制更宽松。
This expression is more inclusive.
youdao
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这是功和热量的表达式。
So here are expressions for work and heat.
youdao
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代入这个表达式的这里。
I can substitute dq from this expression in here.
youdao
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我们有它们的表达式。
We have expressions for that.
youdao
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其主体是一个表达式。
Its body is an expression.
youdao
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所有表达式的结果类型
The resultant type of any expression.
youdao
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我们有的一般表达式。
So we have an expression in general for .
youdao