Ecological principle is applied.
应用生态学原理。
It also illustrates a fundamental ecological principle: Since Darwin's days, scientists have noticed that islands often are home to both oversized and miniaturized beasts.
它也说明了一个基本的生态学原理：自从达尔文时代以来，科学家们已经注意到，岛屿常常是过大兽类和微型兽类的家园。
The article introduces the soil pollution from modern agriculture, and the characteristics of modern organic agriculture, and the ecological principle of organic agricultural soil protection.
综述了现代常规农业对土壤的污染、有机农业的特点及有机农业土壤保护措施的生态学原理。
应用推荐