The if-then statement USES the parameter values that are passed in from a rule instance.
if - then语句使用从规则实例传入的参数值。
It's also important to note that I made a slight change to the if-then statement at the bottom of the code in Listing 5.
还有重要的一点需要指出,即我对清单5所示的代码底部的if - then语句做了稍许修改。
An option is used to model a simple "if then" statement (i.e., if there are fewer than five donuts on the shelf, then make two dozen more donuts).
一个选择项用来为简单的“if then”表达式建模。(例如,如果架上的圈饼少于五个,那么另外做两打圈饼)。
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