contributing rate的用法和样例：
例句
- A model about valuing the contribution rate of economy growth was built, based on three kinds of datum.
我们基于三类经济数据，建立了测算人力资本对经济增长贡献率的模型。 - 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.
科技进步贡献率是衡量一个国家或部门科技发展和经济发展的通用指标。
