左值与右值在C/C++中表示位于赋值运算符两侧的两个值，赋值号左边的就叫左值（left-value），右边的就叫右值(right-value)。比如：(1) int b = 3;(2) int a = b;第(2)行代码，a为左值，b为右值。不过左值与右值的含义有了更深层次的含义： L-value中的L指的是Location，表示可寻址。a value (computer science)that has an address. R-value中的R指的是Read，表示可读。in computer science, a value that does not have an address in a computer language.
网络释义专业释义
...两种类型的表达式：左值（lvalue）：指向内存位置的表达式被称为左值表达式。左值可以出现在赋值号的左边或右边。右值（rvalue）：术语右值指的是存储在内存中某些地址的数值。
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双语例句原声例句
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区分左值和右值，并举例说明。
Distinguish between an lvalue and an rvalue; show examples of each.
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11标准c++裁判没有初始化和左值右值引用吗？
C + + 11 standard ref for not initializing rvalue reference with lvalue?
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可用于赋值操作的右边但不能用于左边的值。右值只能读而不能写。
A value that can be used as the right-hand, but not left-hand side of an assignment. An rvalue may be read but not written.
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So if I scroll now to the right, I should see a comma after the closed quote and then what two values?
所以我滚动到右边，我应当看到一个逗号,在右引号的右边，然后这两个值是多少？
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Something that takes two inputs, a left operant - and a right operant and it just returns a Boolean value is-- or rather it returns a left to right value.
它有两个输入，一个是左边的作用物,一个是右边的作用物，然后返回一个布尔值-,或者更确切地说，返回一个从左到右的值。
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Let's create a graph here that on the x axis it's going to be time, so time zero will be when you first take in a food and then one hour later, two hours later will be shown as you go from left to right, and then we'll have blood glucose level up on the y axis.
我们在这建立一个曲线图,X轴代表的是时间,所以零时间点是你第一次进食的时间,然后一小时以后,两小时以后,是从左到右呈现在图表上的,在Y轴上是你的血糖值
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