公比 meaning in English

[数学] common ratio (of a geometric series)

"ratio" refers to the common ratio of the sequence of numbers a2, b2 .
“比”是指数列A2，B2的公比。
A series of the form , where , is called a geometric series , and is called the common ratio of the series
无穷级数叫做等比级数(又称为几何级数) ，其中，叫做级数的公比。
Empirical evidence shows that financial constraint level of listed companies in groups corporation is significantly higher than that in ungroup corporation ; listed companies owned by individual groups corporation are facing more serious financial constraint than that owned by national groups one ; the curve between ownership concentration and financial constraint goes up firstly , then down and up finally , like a wave , which reflects the degree of the groups company shareholder ' s expropriation to listed companies with the different ownership concentration
实证研究结果表明：集团控股的上市公司融资约束水平显著高于非集团控股的上市公司；自然人集团控股的上市公比国有集团控股的上市公司面临更大的融资约束问题；集团控股股东持股比例分布与上市公司融资约束水平呈现先上升，后下降，再上升的波浪形，反映出随集团持有上市公股权比例的变化，其对上市公司利益侵占程度有所不同。