1.
The average strength of American tribes is under 2,000 members;

美洲各部落的平均人数在2000人以下;
2.
One of above average weight.

体重超过平均水平的人
3.
level of average per capita consumption

按人口平均消费水平
4.
A person who favors equitable distribution of land.

平均地权论者主张平均分配土地的人
5.
Average Number of Permanent Residents per Household (person)

平均每户常住人口(人)
6.
they might, on an average,

外星人离我们平均距离,
7.
playing to an average of 270,000 people a year.

一年平均给27万人表演。
8.
On an average, therefore, 125,000;

因而,平均起来是125000人;
9.
per capita output

按人口平均计算产量
10.
per head productivity

按人口平均计算的产量
11.
per capita national income

按人口平均的国民收入
12.
average length of stay per patient

每名病人平均住院日数
13.
Meals average out at 5 per head.

膳食平均每人5英镑.
14.
Average Revenue Per Passenger-Kilometer

每延人公里平均收入
15.
Per Capita Annual Income (yuan)

平均每人年收入(元)
16.
Average Number of Able bodied and Semi able bodied Laborers per Household (person)

平均每户整半劳力(人)
17.
High Urban Per-Capita Living Space

城镇居民人均住宅面积高于全国平均水平
18.
Each postal office or establishment served an area of 93.9 square kilometers and 12,200 people on the average.
局所平均服务面积为939平方公里/处,平均服务人口为122万人/处。