dynamic study的用法和样例：
例句
- The initial packaging value system model was established, which set a foundation of dynamic study on packaging value.
建立了包装价值系统初始模型，为下一步对包装价值的动态研究打下基础。 - Study of metapopulation dynamics is one of the most important subjects in modern conservation biology and ecology.
复合种群动态研究是当今保护生物学和生态学中最热门的课题之一。
