或系统用英语怎么说？

或系统

Or systems

例句

• 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 structure 在软件工程中，系统或系统组成部分的复杂程度由下述因素确定：接口的数量和错综程度、条件转移的数量和错综程度、嵌套的深度、数据结构的类型，以及其它一些系统特性。
• Their approaches are slightly different variations of what are called hardware level or hypervisor virtual machines. 这些方法只是稍有些不同的变种而已,分别被叫做硬件级虚拟机或系统管理虚拟机.
• We use ascendency as a goal function or indicator of system performance. 我们利用优势为目标的功能或系统的性能指标.