variance distribution造句

In the application of pp plots , unconditional variance distribution of logarithmic return and arch type models are tested
在pp图的应用中，检验了对数收益的无条件方差的分布和arch类模型。
The error is related to the two rank partial derivative of the flux function to each factor and the mean variance distribution of each factor on each grid point . the statistical - dynamical parameterization scheme involves the both conditions , therefore , it is more practical for the east china moist region than the mosaic method
另而自乞计一动刀宁肠则院含考虑了要紊的二阶偏导数及其在网格元上的分布的均方差，因而该方案比马赛克法考虑更为周全(至少在东部涅润区如此) 。
It's difficult to find variance distribution in a sentence. 用variance distribution造句挺难的