of expressions
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表达
的 表现 expression of
言论
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的 表现
Python将包含混合类型的表达式 内部的数字转换为常用类型以进行评估。 Python converts numbers internally in an expression containing mixed types to a common type for evaluation. The Expression Area at the top shows the formula that will be used to calculate the value of the field.当然,我们必须用同样的表达式 替换多次出现的同一个变量。 Of course, the same proposition must be substituted for each occurrence of the same variable throughout the expression . 使用EdgarPoe的表达式 ,Hunt的眼睛像猎鹰一样。 To employ an expression of Edgar Poe's, Hunt had eyes like a falcon's. 代码成为模型的表达式 ,因此对代码的更改可能是对模型的更改。 The code becomes an expression of the model, so a change to the code may be a change to the model.
通过这个可选参数,可以避免使用含有IIf函数的表达式 。 By including this optional argument, you may be able to avoid the use of an expression containing the IIf function. 但是即使我们使用汇编语言去编程,我们向计算机提供的指令也是某种有意义的表达式 。 But even when we program in assembly, the instructions we give the computer are an expression of something more meaningful. 是非法的,因为表达式i=0的类型是int,而if声明需要一个二进制类型的表达式 。 Is invalid because the expression i= 0 is of type int, and if statements require an expression of type bool. 这是一个基本的闭包--可以在特定的上下文中设置的变量的表达式 。 This is basically a closure- an expression which can work with variables set within a specific context. 实际上这意味着“$a=5”,不必管它是做什么的,是一个值为5的表达式 。 In practice, it means that'$a= 5', regardless of what it does, is an expression with the value 5. 像往常一样,验证这个“编译器“是否能处理任何合法的表达式 ,是否会对非法形式给出有意义的出错信息。 As usual, verify that the“compiler” can handle any legal expression , and will give a meaningful error message for an illegal one. 其中一个合法的表达式 就是“MemberExpression”,比如x[0]中的[0]就属于成员表达式。! One of the valid types of those expressions is"Member Expression", like[0] in x[0]- that's a member expression! 一个爱挑剔的人对他的烤面包和他剁碎,每个物种的方便,大声的和辛辣的表达式 在任何忽视不耐烦。 A quiddle about his toast and his chop and every species of convenience, and loud and pungent in his expressions of impatience at any neglect. A more explicit formula for is. I try to keep my facial expressions neutral. Returns the value of the most recently evaluated expression . Combine the results in the formulation of the answer. The value of the last expression evaluated.For instance, both of the following formulas will return FALSE.
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