ʱ = 2018-12-31 23:42:19.431
ʱ(s) = 2180.95
ٶ(m/s) = 13.8127
λ = λ
λǰ() = 0.00274558
λǰྭ() = 248.243
λ() = 0.267711
λྭ() = 179.225
