针对现有目视进近下滑坡度指示系统存在的问题和缺陷，研究了一种新型精密进近航道指示方法。
The path serves as an approach to the boathouse.这条小路是通向那个船库的一条路径。
The approach to the house was a narrow path.通往这房子的路是一条狭窄的小径。
In this case, we use Most Rapid approach path to find relevant optimal advertising expending rule.在这种情况下, 利用最速收敛法(MRAP)求解出了相应的最优广告支出规律.
