Of the many Californian groups, most were composed of independent territorial and political units that were smaller than the average groupings of other North American Indians. 其中有许多集团是由独立的区域单位及政治单位组成，比其他北美洲印第安人的平均规模小。
The size and horsepower of the average U.S. automobile increased steadily. 美国汽车的平均尺寸和马力在不断增加。
