Listing 28 shows an example of an entry with a complex, unknown extension element.
清单28展示了一个带有复杂的未知扩展元素的条目示例。
2
Every design element you implement is coupled to other design elements, creating an extremely complex web of dependencies and relationships.
实现的每个设计元素与其他设计元素相互联系，形成极端复杂的依赖和关系网络。
3
Direct simulation of a process of interest, rather than the integration of a set of underlying evolution equations, is an indispensable element in the study ofcomplex systems.