地理梯度的英文

geocline

• 地理:    geographical featu ...
• 梯度:    gradient; grad
• 生理梯度:    physiologic gradie ...

例句与用法

1. Across geographic gradients, levins expects allopatric races or coenospecies exist .
   穿过地理梯度，莱文斯预料有分布区不重叠的小种或近群种。
2. In guangdong , the greater pearl river delta ( gprd ) and its peripheral areas are characterized by the structure of geographical gradient : gprd serves as the economic and cultural core , while the peripheral as the marginal zone
   摘要从大珠三角与其周边地区的地理梯度特征，可见大珠三角在广东地理、经济、文化中的核心地位，其周边地区的边缘地位。