Description system的用法和樣例：
例句
- Each hierarchy level of the functional location number represents a given level of detail in the description of the system.
每一層功能位置編號都可以描述系統中一給定級別的細節。 - The goal of a differentiating factor is to prevent multiple scenarios from being created that describe the same flow through the system.
區別性因素的目的是防止創建描述系統中同一流程的多個方案。
