Politicians of all races and ethnicities are troubled by the underrepresentation of minorities in top elective offices.

最高选举办公室中的少数民族代表名额不足的问题困扰着所有种族和民族的政治家。

Hence, precise detection of the over- or underrepresentation of sequences from an aneuploid chromosome could be more readily achieved.

由此，在非整倍体染色体中进行过度表达或表达不足序列的精确检测会更容易实现。

The process of assigning mathematical weights in an attempt to correct over or underrepresentation of some groups in the unweighted in-tab sample. See sample weighting.

分配数学权重的过程。旨在修正未加权样本对某些人群代表过度或代表不足的偏差。