contributing rate的用法和樣例：
例句
- A model about valuing the contribution rate of economy growth was built, based on three kinds of datum.
我們基於三類經濟數據，建立了測算人力資本對經濟增長貢獻率的模型。 - The contributive rate of advancement of science and technology was a universal index to assess the science and technology and economical development of a department or a country.
科技進步貢獻率是衡量一個國家或部門科技發展和經濟發展的通用指標。
