Secondly, apparel product is imperishable fashion product that means the decrease demand significantly at the end of selling season, i. e. its value is inverserate with time.
第二，服装产品是“非易腐”性的流行产品，它的需求在销售季节末端显著下降，它的价值与时间成反比。
2
Alternatively, we can specify the sampling period, which is the inverse of the sampling rate (in this example, 0.5 sec).
或者，我们指定采样周期，此为逆向取采样率（本例子中， 0.5 秒）。
3
The count rate at the extrapolation of bias to zero varies monotonously with the anode current of phototube and tends to the activity of source as the inverse anode current approaches zero.