He worked on it for 16 years, while developing his own psychologicaltheories.
他用16年的时间，创造了自己的心理理论。
2
The course was compiled over a number of years, taking Into consideration the latest educational and psychologicaltheories as well as a wide range of material concerned with memory systems.
这个课程经过数年编辑而成，充分考虑了最新的教育和心理学理论，以及有关记忆系统的广泛资料。
3
The application of the psychologicaltheories and methods in the management of human resources in the knowledge times possesses very important significance.