They believe that this is the first observation of a cultural change transmitted repeatedly on such a large geographic scale.

他们相信这是第一次观察到文化变迁在如此大范围的重复进行。

youdao

These methods can be classified into two groups according to their characteristics, one is a single geographic scale methods and another is the multiple geographic scale methods based on distance.

上述方法可以分成两类：单一地理尺度方法和基于距离的多空间尺度方法。

youdao

Solar photovoltaic (PV) cells, which use solar panels to directly generate energy are popular for individual buildings or small geographic areas, but large scale use is expensive.

使用太阳能面板直接发电的太阳能光伏电池在个别建筑和小型地理区域是受欢迎的，但是大规模的使用是非常昂贵的。

youdao

The few providers that fit this profile Kaiser Permanente in California, Intermountain Healthcare in Utah, Geisinger Health in Pennsylvania should expand their geographic scope to a regional or national scale and encourage providers that are not now integrated to become so.

FORBES: Magazine Article

The spread of consumer spending power across China means that a company must constantly expand its geographic footprint--but the requirements of scale make it extremely critical to cluster locations appropriately to ensure competitive scale economies.

FORBES: Unlocking China's Consumer Power

But, as National Geographic described last month, arenga does have some remarkable features that could provide an important, if small-scale, piece of the sustainable energy and development puzzle.

FORBES: An Energy Crisis Solution That Proves Small Can Be Beautiful