base on使建立在…基础上,立足
例句：Action should be based on solid facts.
行动应有确凿的事实为依据。
2. He said the institute's research work in the application of remote sensing and geographic information systems has led to the creation of a water accounting system.
lead to导致, 引起
例句：An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。
3. Founded in 1984, the institute is a scientific research organization focusing on sustainable use of land and water resources in agriculture.
focus on对(某事或做某事)予以注意
例句：Many firms are focusing on increasing their markets overseas.
许多商行都专注于扩大国外市场。
