Besides confirming previous results got by other authors in time dependentsystem, new aspects are revealed.
除了进一步肯定以前对于非自制系统的结果外，还发现了一些新的现象。
2
Method of the time dependent unitary transformation is one of powerful tools for the study of the time dependentsystem.
时间依赖的幺正变换方法是研究含时系统的有力工具之一。
3
The influence of the stochastic external environment upon the population dynamics system have never been considered in ordinary age-dependentsystem models.