求翻译：农业灌溉在人类淡水使用中所占据的比重很大，随着全球水资源紧缺加剧，实现并推广精准的灌溉技术变得非常迫切并且意义重大。是什么意思？

Agricultural irrigation in the human freshwater use by occupy a significant proportion of global water shortage exacerbated, implementation and promotion of precision irrigation technology has become very urgent and of great significance.

Agricultural irrigation water use in the human in the proportion as a large, as the global shortage of water resources, and promote accurate irrigation technology has become very urgent and important.

The agricultural irrigation the proportion which occupies in the human fresh water use is very big, and along with the whole world water resources scarce aggravating, realizes and promotes the fine accurate irrigation technology to become extremely urgent watershed.

Agricultural irrigation in humans occupies a large proportion of freshwater use, as the global scarcity of water resources, implement and promote irrigation technology of precision very urgent and important.

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