xenon lung function unit
asymmetric step function
step function
阶跃函数
阶梯函数
步阶函数
步长函数
级函数
步进函数
步函数
阶耀函数
阶梯式函数
连续函数
步进函故
step function and hurdle function
identical unit or proportional unit of the body
time-rock unit =time-stratigraphic unit
AMFP forward step by step
course of breakdown step by step
decompression step by step
Differenlc-tension step by step
equivalent mapping step by step
method of regression step by step