coefficient of investment yields

例句：

1. 1. Thecoefficient of investment yields is a crucial factorin determining the profitability of a project.
   投资收益率系数是决定项目盈利能力的关键因素。
2. 2.The company's performance is closely relatedto the coefficient of investment yields.
   公司的绩效与投资收益率系数密切相关。
3. 3. The coefficientof investment yields has beenincreasing steadily over the past fewyears.
   过去几年，投资收益率系数一直在稳步上升。