But, our experience shows that nesting the two languages more than one level deep is usually not needed to express the desired query logic.
但是，我们的经验显示，表达所需的查询逻辑通常并不需要两种语言的嵌套层次超过一层。
2
It divides the software system into two levels: the logic integration level and the IP switching level.
它将软件系统分为两个层次：逻辑集成层和IP交换层。
3
The pre-functional cell of standard buffered FET logic (BFL) adopted by the gate array possesses nine logic functions, two different kinds of driving capabilities, and the level control ability.