The developmental research on children's theory-of-the-mind is one of the most active research areas in all of developmental psychology.

儿童“心理理论”的发展研究是当今发展心理学中最活跃的领域之一。

This system proceed from practical angle, to carry on fault diagnose developmental research of expert system Biyadi automotive engine.

本系统从实用角度出发，针对比亚迪汽车的发动机进行故障诊断专家系统的开发研究。