reduce level of PM2.5 by 25什么意思?求大神!

reduce level of PM2.5 by 25什么意思?求大神! reduce of reduce at呢 To reduce my level of cholesterol,I replaced butter with low—fat oil in cooking翻译成汉语 reduce of,reduce by,reduce to,reduce at分别是什么?都有什么区别? level of achievement是什么意思 level of performance是什么意思 level of employment是什么意思 level of performance是什么意思 英语学习,求翻译The customer acquisition equation suggests that customeracquisition is a positive function of the size of the customerbase and the level of banner advertising. In contrast, highershipping fees and prices reduce customer acquisit pm2, PM2. PM2. reduce Which of the following factors is least likely to reduce the level of investment?A.Lower savings ratesB.Federal budget surplusesC.Increased taxes on capital income选B的能告诉我为什么A不对吗? Which of the following factors is least likely to reduce the level of investment?A.Lower savings ratesB.Federal budget surplusesC.Increased taxes on capital income选B的能告诉我为什么A不对吗？ 英语翻译Dear All; the attached presentation explains the background to this initiative.The high level goal is to promote Ford Brand Protection and reduce counterfeiting.Part of this initiative involves improving consistency and standardising the 建筑英语课中,reduce 如题…比如说dampproof course level 是防潮层 denominator level of activity是什么意思