a tripartite evaluation model的用法和样例：
- A route optimization algorithm for CMs and its evaluation model are proposed.
- Make students hope to be tested by activating English evaluation model.
- A dyn amic fuzzy evaluation model is created,which is based on a discrete MARKOV process and fuzzy set theory.
- But the surge in support for the ADQ has turned a two-party system into a tripartite one (see chart).