运算符

The comma is used in C and C++ not only as a separator in function argument lists, but also as an operator for sequential evaluation.

在c和c++里，逗号不仅作为函数自变量列表的分隔符使用，也作为进行后续计算的一个运算符使用。

using the c language programming to be in progress when secretly scheming against often may produce problem because of not paying attention to a type change , when using the division arithmetic magic figure especially, change , lead to thereby arithmetic result block of wood rightness or insufficient problems of accuracy often because of not paying attention to the arithmetic data type.

使用c语言编程进行计算的时候常常会因为不注意类型转换产生问题，尤其是在使用除法运算符"/"的时候，经常因为没有注意运算数据类型转换，从而导致运算结果不正确或着说是精度不够的问题。

Table 2.1 at the end of this chapter summarizes precedence and associativity for all operators.

本章末尾的表2-1完整总结了所有运算符的优先级和结合律。

Table 2.1 summarizes the rules for precedence and associativity of all operators, including those that we have not yet discussed.

表2-1总结了所有运算符的优先级与结合性，其中的一些规则我们还没有讲述。

As an example consider .rank is the precedence of the operator, starting with 1 for addition..

rank 是运算符的优先级，从1递增。。rpar是为了像减号这样的运算符准备的

Operator precedence defines how an expression evaluates when several operators are present.

运算符的优先级决定了存在多个运算符时一个表达式各部分的计算顺序。

The not operator has the highest precedence and is immediately one level below all the comparison operators.

not 运算符拥有最高优先级，只比所有比较运算符低一级。

That gives a truth table value of true only when both of the variables connected by the logical ''.

仅当由逻辑运算符连接的两个变量均为真时才给出真值的布尔运算符。

Thus, in an unparenthesized sequence of power and unary operators, the operators

因此， 在一个没有额外括号的幂运算符和一元运算符序列中，求值会从右至左进行（这点对操作数本身的求值顺序没有影响）：-1**2 会计算为-1 。

The following table summarizes the operator precedences in Python, from lowest precedence to highest precedence. Operators in the same box have the same precedence.

下表总结了Python中运算符的优先级，从低优先级到高优先级，在同一格子中的运算符具有相同的优先级。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。