geographical variation

常见例句

Chapter three studies the geographical variation and change of Xuanhua dialect.
第三章，宣化方言地理的变异与变化。
It was found that there were some correlations between the patternsof geographical variation in characters of the species and latitude.
研究发现，该种某些性状的地理变异模式与地理纬度之间存在相关性。
Geographical variation is one of the most striking features of the condition - it is most common in northern countries such as Canada and Scandinavia and lowest in countries near the equator.
地理差异是该疾病最显著的特点之一，北部国家如加拿大和斯堪的纳维亚发病比较普遍，而靠近赤道的国家最低。

But there is an interesting geographical variation: Gulf-coast sites are hit five times as often as those on the Atlantic coast.
ECONOMIST: Eye on the storm The