on an average

As a reasonable guess , they might, on an average, be 100 light years away.

据合理推算, 外星人离我们平均距离也有100光年之远.

On an average day, they now spend 7 . 5 hours using media.

现在,在平常日子, 他们每天要花上7.5个小时.

On an average day, they now spend 7 andhalf . 5 hours using media.

现在平均每天, 他们花费7.5个小时使用媒体.

The forecast loss for 2005 is based on an average price for the benchmark Brent crude oil of$ 43 a barrel.

2005年的亏损预测是基于基准的布伦特原油每桶43美元的平均价格。

Each quarry on an average employs about 120 workers.

每座矿山平均雇佣120个工人.

The concrete contents of the project were that the river bank on Hanyang side retreated 60m on an average with the original bank slope cutting;

具体为：汉阳岸平均削坡后退60m；

On an average day you take 15000 steps and foot perspires 200 ml of sweat.

平均每一天你的脚要迈15000步，同时分泌出200毫升的汗液

He smokes ten cigarettes a day on an average.

他平均一天抽十根烟.

On an average we would be spending £ 300 per day.

平均下来，我们每天要花费300英镑。

They went to the theatre on an average of 10.3 times a year.

他们平均每年去剧院十点三次.

so I needed to try it on an average one.You know what I mean.

所以我得在常人的大脑上试试，你知道我是什么意思，

One retail shop in that city, selling a famous brand of handbags, grosses US$ 80,000 on an average day.

该市有一间零销店，出售一个名牌的皮包，每天平均进帐八万美元。

Kelly had scored an average of 147 on three separate IQ tests

凯利在3项不同的智商测试中平均得分147。

The 2013 estimate is based on an average oil price of about$ 97 per barrel for US benchmark crude.

另外，对2013年储量的估值，基于美国基准原油价格为大约每桶97美元的假设。

Parents spend an average of$ 220 a year on toys.

父母为孩子买玩具的花费每年平均为220元。

On an average we would be spending £300 per day.

平均下来，我们每天要花费300英镑。

On an average, he gets three calls per hour during office hours.

多数情况下, 他在上班时间每小时要接到三个电话.

He smokes 20 cigarettes a day on an average.

他平均天天要抽20支烟.

These features are distributed mainly in Taiyuan, Huoxian and Yang-quan coal field, Shanxi. On an average, there are 0.5-5 collapse-collums per square kilometer.

山西省太原、霍县和阳泉煤田陷落柱最为发育，每平方公里一般有陷落柱0.5&5个。

On an average day, it holds1500to1700inmates who are severely mentally ill, most of them detained on minor charges, essentially for being public nuisances.

这里平均每天收容着1500到1700名有严重精神病的犯人，大多数是由于轻微的罪行而被拘留的，主要是有骚扰公众的行为。

Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.

医生每星期平均工作90个小时,有几个24小时候命,达到了每周120个小时.

Planning an amusement park begins with calculating what the parks attendance will be on an average day.

设计一个游乐园时，要先计算其日平均接待游客的数量。

On an average a strong gale moves at the rate of 40 miles an hour, a storm at about 56 and hurricanes at 90.

平均来说，八级大风每小时风速达40英里，十一级风暴达56英里，而十二级飓风则达90英里。

Barclays says that the stocks it covers are on an average discount to forecast net asset value of over one-third.

巴克莱表示，在其分析的地产股中，当前估值比预测资产净值平均折让三分之一以上。

On an average day you take 15,000 steps and foot perspires 200 ml of sweat.

平均每一天你的脚要迈15,000步,同时分泌出200毫升的汗液.