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1·It may be thought of as an if-then-else construct.

可以将其看作是一种if - then - else构造。

2·These policies are typically depicted in if-then-else policy statements.

这些策略通常在“如果-那么-否则”策略声明中描述。

3·At a given if-then-else statement, the if part is the path that was executed.

对于给定的if - then - else语句，if部分就是被执行的路径。

4·One of the most common solutions to the Expression Problem is plain old if-then-else logic.

表达式问题的最常用解决方案之一是普通老式的if - then - else逻辑。

5·This is exactly the sort of if-then-else chain that a properly constructed class hierarchy prevents.

这正好是那种一个正确构建的类层次所要防止的if - then - else链。

6·In order to apply the ordering on all the columns, we will need to add them to the if-then-else statement.

为了对所有列应用排序，需要把它们添加到if - then - else语句中。

7·Next came languages like Pascal and c, which provided higher order constructs such as if-then-else statements.

接下来的语言例如Pascal and c，它们提供了更高次序的结构例如“if - then - else”语句。

8·The constructs in the design environment include if-then-else, switch, while loops, do while loops, and for loops.

设计环境中的语法结构包括if - then - else, switch, while循环，do while循环以及for循环。

9·That's exactly how Boolean expressions properti express boolean are used, for example, in an if-then-else construction.

这也就是布尔表达式的使用方法，比如在一继续方法比如个if-then-else块中。

10·In the world of programming, this pattern is best illustrated by such constructs as switch-case and if-then-else blocks.

在程序中，通过构造诸如 switch-case 和 if-then-else 之类的程序块来阐明这种模式是如何实现。