例句與造句

1. The model uses the singular value decomposition ( SVD ) to find a univariate time series vector " k t " that captures 80 90 % of the mortality trend ( here the subscript " t " refers to time ), a vector " b x " that describes the amount of mortality change at a given age for a unit of yearly total mortality change ( here the subscript " x " refers to age ), and a scaling constant ( referred to here as s 1 but unnamed in the literature ).
2. It's difficult to find time series vector in a sentence. 用time series vector造句挺難的