... variance reducing technique ==> 方差减缩方法 variance stability ==> 方差稳定性 variance within primary sample units ==> 初级抽样单位内的方差 ...
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Furthermore, the average, variance and standard deviation are processed to testify the existence, occurrence stability and influence of each hypothetical role.
进而得出每种假设角色的平均值，方差及标准差验证该假设角色的存在性、出现频率的稳定性以及对各个片断的影响程度。
Histogram character is not affected by object figure's variance and scale, and it has good stability.
直方图特征不受目标的外形和比例变化的影响，具有较好的稳定性。
But the variance of medium flow rate may affect the stability of check valve.
但介质流量的变化会给止回阀的稳定性带来影响。
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