Professional baseball games often last about three hours on average.
The restaurant serves on average one hundred customers daily during the weekend.
Tourists on average visit the museum about two thousand times each month.
游客每个月平均大约有两千人次参观这座博物馆。
The new phone sells on average twenty thousand units every month.
这款新手机每个月平均能卖出两万部。
The company's profits, on average, increase by ten percent every quarter.
这家公司的利润平均每个季度增长大约百分之十。
Children on average grow about six inches in height each year.
孩子们每年身高平均能长大约六英寸。
Students on average complete their homework in about thirty minutes.
学生做完作业平均大概要花三十分钟。
Workers on average take a lunch break of about thirty minutes each day.
员工每天午休时间平均大约是三十分钟。
We replace brakes on average five or six times a week.
我们平均每周更换五到六次制动件。
Four inspections of agricultural workplaces were carried out per month, on average.
平均每月对农业工作场所进行四次检查。
Other meetings were held subsequently on average one every three months.
后来平均三个月举行一次其他会议。
And on average, every day we are granted a new patent.
我们平均每天获得一项新专利。
Police supervise the imposed measure twice a day on average.
警方平均每天两次监督实行的措施。