add sampling rate parameter

hnluo

2023-02-05 e6492e3c62f008bf8a3ca74df3cd4457133cb87d

1
2
3
4
5
6
7
8
9
10
M    million
MLN    million
m    million
mln    million
B    billion
b    billion
BN    billion
bn    billion
K    thousand
k    thousand