The rivers merge just north of a vital irrigation system.

这些河流在一个重要的灌溉系统的北部汇合了。

《柯林斯英汉双解大词典》

To do so, the most viable solution is to make the current irrigation system more efficient — while being responsive to farmers' needs.

因此，最可行的解决方法就是提高目前灌溉系统的效率—同时对农民的需求作出及时的反应。

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But with this new irrigation system, it helps bring enough water for them to grow three crops a year.

但有了这个新的灌溉系统后，它供的水一年够他们种三季了。

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Souem came here to plant in the dry season on her relative's plot,using water from the irrigation system.

VOA: standard.2010.06.02

In particular, Croft picks Valmont Industries (VMI) as an investment vehicle not just for its farm irrigation system but for its mechanized irrigation equipment that is portable and conveniently transportable.

FORBES: Valmont Industries And Weyerhaeuser: Enticing Value Plays on Irrigation And Timber

Seed varieties suited to Africa's difficult conditions where crops are watered by intermittent rains, not by a reliable system of irrigation were invented.

ECONOMIST: Economics focus

Then two years ago he saw a drip irrigation system being demonstrated in his village.

FORBES: Magazine Article