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景观(Landscape)是一种自然地理学单位。它是陆地表面、海底、海面各种物体与现象的一种有规律的结合。其中,地形、气候、水、动植物以及人类在一定程度上的活动等,互相有机地联系、互相制约并溶合成统一的整体。自然疫源性疾
Landscape is a natural geography unit. It is a regular combination of phenomena on the surface of the land, seafloor and sea. Among them, the terrain, climate, water, plants and animals as well as a certain degree of human activity, etc., are organically linked to each other, restrict each other and dissolve into a unified whole. Natural foci disease