A noise and vibration question. How to calculate this?
回答 (1)
2019-09-16 12:29 pm
✔ 最佳答案
Do a weighted average[(85 X 2.5) + (88 X 2) + (50 X 1) + (91 X 2) + (95 X 0.5)] / 8
= 83.5
收錄日期: 2021-05-01 00:05:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20190916031337AA1HRml