1. Although agricultural production can be increased by use of machinery such as tractors and the addition of fertilizer, the land ultimately can produce only so much food and no more.
    虽然使用拖拉机等机械以及施用化肥可以提高农业产量，但是土地最终所能产出的粮食只有那么多，不会再增加。

2. Our purpose is to realize the agricultural modernization.
    我们的目的是要实现农业现代化。

3. Observers say the program has succeeded in strengthening the country’s agricultural base and bringing a new source of wealth to villagers.
    观察家们称该计划已成功地巩固了该国的农业基础，而且还给村民们带来了新的财源。

4. India had gone from an agricultural society to the cyber-revolution, without passing through intermediate stages such as the welfare state and the creation of social services.
    印度已从一个农业社会走向了网络革命，没有经历过诸如福利国家和创立服务体系之类的中间阶段。