平均浓度的英文

average concentration

average shading

cav

mean concentration

• 平均:    average; mean
• 浓度:    potency; thickness ...
• 年平均浓度:    annnual average co ...

例句与用法

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1. Keep the average carbon monoxide concentration level inside the tunnel at all times
   控制隧道内一氧化碳的平均浓度
2. The forecast program of long - term average concentration of air pollutant and its application
   大气污染物长期平均浓度预测程序的编制及应用
3. Standard guide for ranked set sampling : efficient estimation of a mean concentration in environmental sampling
   分等级抽样的标准指南:环境抽样中平均浓度的有效评估
4. Average annual number of phytoplankton reached 2 . 20 107cell / dm3 which was 96 . 4 times more than that in control monitoring station
   M湖区3不形态无机氮的平均浓度分别为： nh厂n3