For this reason, some Suggestions on groundwater development are advanced.

为此，提出了地下水资源开发利用的建议。

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These have adapted to the environment by the development of long taproots that penetrate downward until they approach the assured water supply provided by groundwater.

这类植物通过生长出长长的主根来适应环境，这些主根可以向下渗透，直达地下水提供的充足水源。

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From groundwater hydrological geological unit, it had a unique formation conditions of the development.

从整个地下水文地质单元特征来看，有其独特的发育形成条件。

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Jordan is moving towards increased reliance on groundwater as an alternative to surface water and according to the 4th United Nations World Water Development Report 2012 co-authored by UNESCO, it is the fourth most water scarce country in the world.

UNESCO: OFFICE IN AMMAN

The global groundwater abstraction rate has at least tripled over the past 50 years, significantly boosting food production and rural development.

UNESCO: Reversing the global water crisis through sound groundwater governance | United Nations Educational, Scientific and Cultural Organization

It will serve as a technical basis for the visioning process by compiling the best available present scientific and technical knowledge on groundwater resources and their governance, to be accessible to a large public of policy and decision makers across development sectors.

UNESCO: EDUCATION