So were chromosomal deficiency or reproduction, and unequal division in the period of pollen mother cell.

花粉母细胞染色体数不恒定，后期两极染色体数分配不均等。

youdao

Mathematically, Phi is the division of something into two unequal parts, in such a way that the lesser is to the greater as the greater is to the whole.

算术意义上的黄金分割率是把某种事物分割成两个不平等的部分，以这样一种分割方式，使得较小的部分与较大的部分之间的比例与较大的部分与整体之间的比例相等。

youdao

But it's an unequal division of revenue.

FORBES: Charles Schwab, Version 4.0

While some experts maintain that number still underestimates the nation's inequality, it would make the division of income as unequal as in the U.S., which had a Gini coefficient of 0.48 in 2011, according to the U.S. Census Bureau.

WSJ: China to Make State Firms Turn Over More Profits