average collection period ratio

例句：

1. 1. The company's average collectionperiod ratio is 20% higherthan last year's.
   该公司的平均收集期比率比去年高出20%。
2. 2. Theresearch team found that the average collection periodratio for this product was 5%lower than expected.
   研究团队发现，该产品的平均收集期比率比预期低了5%。
3. 3. The new policy aims to improve theefficiency of collection and reduce the average collectionperiod ratio.
   新政策旨在提高收集效率并降低平均收集期比率。