Each phase represents 80 percentage points in the variance reduction.
每个阶段表示方差缩减中的80个百分点。
2
These percentage of variance difference through sampling at 15% and 10% were higher than that of through sampling at 25%.
按15%和10%的抽样比例得到的核心库的方差差异百分率相等而高于25%抽样比例的方差差异百分率；
3
Experimental variance analysis shows that the peripheral velocity of the rotating screen is one of the most important factors which affect the percentage of grain separation from straw and chaff.