对于一般的设计，一维分析法只是一种近似的方法。
A dimensional analysis is studied as an approximate method for general design.
这是唯一一种保持对于该二项式的正态近似的方法。
It is the only way to keep normal approximation to the binomial.
这种分析滤波器误差分布近似的方法就是勃脱华兹近似。
The method mentioned above is the Blltterworth approximate, which is applied to approximately analyze the filter error distributing.
应用推荐