the fact of being too large or too small in relation to something else

The disproportion between the number of votes and the number of seats is apparent. 票数与议席数之间的不成比例是显而易见的。

There is a terrible disproportion in spending between research into dementia and research into other areas. 痴呆症研究开支与其他领域研究的支出严重不成比例。