geographical variation

基本解释

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

地理变异
The study results on geographical variation of wild G. uralensis populations show that variations of up-ground parts, fruits and seed morphological characteristics reach significant level.
对乌拉尔甘草野生种群地理变异的研究结果表明，无论是地上部分形态特征、荚果和种子形态特征还是甘草酸含量均存在显著的地理变异。
生物学
地理变异
The main conclusions were summarized as follows:(1) A. philoxeroides showed significant geographical variation in morphology and growth-defense strategy in its native range, and the pattern appeared to be latitudinally clinal.
主要结论如下:(1)喜旱莲子草的茎叶形态和生长—防御策略在原产地存在显著的地理变异,并表现出纬度渐变趋势。
地球科学
地理的变异