Requirements, Parametrics, and Allocations are new diagrams not available in UML.
需求图、参数图以及分配图是UML中所没有的新图。
2
Parametrics is a way of having the computer remember, not just what line you have in the design, but also how those lines were created.
变量是计算机存储的一种方式，它不但能存储你的设计中的线条，而且还能创建这些线条。
3
Present a time-varying parametric model that is LPTV type, and study the relationship between model parametrics and cyclostatistics of its ouput signal. ?