In software engineering, the degree of complication of a system or system component, determined by such factors as the number and intricacy of interfaces, the number and intricacy of conditional branches, the degree of nesting, the types of data structures, and other system characteristics.

在软件工程中，系统或系统组复杂程度由下述因素确定：接口数量和错综程度、条件转移数量和错综程度、嵌套深度、数据结构类型，以及其它一些系统特性。