求翻译：一是全域灌溉保障体系。成都市农田灌溉主要得益于都江堰，是都江堰的核心供水区，灌溉范围覆盖除蒲江县以外的全部区（市）县，灌溉保障率较高，抗御干旱能力较强。是什么意思？

First, the global security system of irrigation. Mainly due to Chengdu, Dujiangyan irrigation, is the core of Dujiangyan Water District, Pujiang County, in addition to irrigation, covering all areas outside (city) County, irrigation, higher security, ability to resist droughts.

One is the domain irrigation system. chengdu Dujiangyan irrigation benefit primarily the Dujiangyan irrigation system, the core water irrigation coverage, apart from all other than the Pujiang county (city) County, the irrigation area coverage rate is higher, resist drought.

正在翻译，请等待...

Are global irrigation system. Irrigation thanks to dujiangyan in Chengdu, is the core of dujiangyan water supply area, irrigation covering all areas except the Pujiang County (City) counties, irrigation guarantee rate is high, to resist drought ability.

正在翻译，请等待...