- Then some scientists, like Thunen and Wicksteed, made this embranchment theory more perfect.
但是这个分支理论要想综合两条不同的道路，则其道路的方向的选择范围就小很多了。
- By using the Hopf bifurcation theory, a competition diffusion model with delay is investigated.
利用霍普夫分歧理论讨论了一类含时滞竞争扩散系统。
