这是一份讲述PCB设计规范的一份资料，写的很好，很实用-It is a norm on a PCB design data, to write a good, very practical

By comparing elapsed times one can say that Hooke and Jeeves methods converge faster than other methods and the slowest one seems to be Nelder and Mead Simplex Method. In this part of the assignment we are going to reach the solution by using Nelde

步模式选择：在此光标闪动状态下， 总共有“AUTO ”、“NORM ”、 “SING ”、“NONE ”四种同步工作模式可以供选择。其中“AUTO ”为自动同步扫描模式，当(Step mode selection: under this blinking cursor, A total of "AUTO", "NORM"", "SING" and "NONE"