求翻译：究其原因是由于我国属水资源短缺国家，农田经常受水旱灾害威胁，故农田水利设施的建设对农业发展的意义不言而喻。是什么意思？

The reason is due to the shortage of water resources State in China, often threatened by flood and drought disasters in farmland, irrigation and water conservancy facilities construction on agricultural development of significance is self-evident.

The reason for this is because of our country's agricultural land is a shortage of water resources, often affected by floods and droughts, and water conservancy facilities of a threat to the agricultural development of the self-evident.

Investigates its reason is because our country is the water resources short country, the farmland receives the flood and drought disaster to threaten frequently, therefore the irrigation and water conservation facility construction is self-evident to the agricultural development significance.

The reason is due to the shortage of water resources State in China, often threatened by flood and drought disasters in farmland, irrigation and water conservancy facilities construction on agricultural development of significance is self-evident.

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