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- average groundwater velocity 地下水平均流速
- Retardation factor is the ratio of groundwater velocity and contaminant velocity,which is a important parameter to calculate and assess contaminant migration in groundwater. 阻滞系数是表征地下水渗流速度与污染物迁移速度的比值,是计算和评价污染物在地下水中迁移行为的一个重要参数。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了!
- Meals average out at 5 per head. 膳食平均每人5英镑。
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- On average we receive five letters each day. 我们平均每天收到五封信。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- His work at school is below the average. 他的学业成绩在一般水平以下。
- The readings we took were well above average. 我们记录的读数远远高於平均数。
- Tom's work at school is above the average. 汤姆的功课是中上等水平。
- field groundwater velocity 地下水实际流速
- On average, 15 worth of goods is stole every day. 平均每天被窃取的货物价值为15英镑。