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But this report also points out, the user is in newspaper website retention period is briefer, user the average retention period last year December only summary prep above half hours. 但该报告也指出，用户在报纸网站停留时间较短，用户去年12月的平均停留时间仅略高于半小时。
The two systems of government are polar opposites. 这两种政体正好相反。
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。
Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
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。
Meals average out at 5 per head. 膳食平均每人5英镑。
On average we receive five letters each day. 我们平均每天收到五封信。
Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
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。
Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
Tom's work at school is above the average. 汤姆的功课是中上等水平。
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。
On the average, there are 300 tourists a week. 每星期平均有300游客。
In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
The average age of the students is 19. 学生的平均年龄是19岁。