For the defect that it is hard to determine the smoothing parameter in time-varying conditions, the adaptive optimizing strategy based on contributing ratio is proposed.

针对广义回归网络在时变环境下难以确定平滑因子，自适应能力弱的缺点，提出了一种基于贡献率的选择优化方案。

youdao

This prove workforce disposition effect play a remarkable role in contributing in the whole ratio of factor productivity.

这说明在全要素生产率贡献中劳动力的再配置效应发挥了显著作用。

youdao

In fact, so few Brazilians pay for pensions, and so many get them, that the country has 35 pensioners for every 100 contributing workers, a higher ratio than in the United States.

ECONOMIST: Brazil��s pension system

Another contributing factor to this crunch is the ratio of seed stage funding and Series A investments.

FORBES: Series A Crunch: Why Startups Will Use Crowdfunding Instead

Would the average pensioner whose savings were contributing to the bankers' bonanza be happy with that ratio?

WSJ: Bankers Are Still There for Bashing