period of investment return造句

• After making the analysis of the distribution of inter - enterprises and intra - enterprises technology innovation , the conclusion is reached that the distribution speed is in invers proportion to the period of investment returns when applying new technologies , and proportional to industrial growth speed
  对企业间和企业内技术创新的扩散进行了分析，得出了“扩散速度与采用新技术的投资回收期成反比，与工业增长速度成正比”的结论。