第三章 表达式和语句 3第三章表达式和语句第三章 表达式和语句(EXPRESSION AND STATEMENT)程序是由语句和表达式构成的。掌握构成表达式的各种运算符的功能与特点,掌握条件语句。
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Design Effects Statement and Expression 设计效果陈述与表达
Looking back on it, I can see how the statement looked ambivalent and a touch arrogant, but it was an honest expression of how I felt, as I began the first campaign since 1982 that I could have lost.
现在回头想想,我能够看出,在这个声明中,我所流露出的矛盾心理和些许的傲慢,但它确实是我内心感受的真实表达,因为这是自1982年以来,我第一次开始进行可能会失利的竞选活动。
The VALUES... into statement allows an SQL expression to be executed and to return the result into variables.
VALUES…into语句允许执行SQL表达式,并将结果返回至变量。
The expression used in the if statement (and in the elif clause and the while loop discussed later in this article) can be as complex as necessary.
if语句(以及本文后面讨论的elif子句和while循环)中的表达式可以很复杂。
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