Determining the area of irrigation rotation is a key problem in irrigation design on sand dune.

确定轮灌区面积是沙丘地灌溉设计中最重要的问题。

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The garden covers an area of 290 hectares, is located in a sand dune, it is also a "Palace on the sand dunes, " said.

整个园林占地 290公顷，坐落在一座沙丘上，故也有 “沙丘上的宫殿”之称。

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The garden covers an area of 290 hectares, is located in a sand dune, it is also a "Palace on the sand dunes, " said.

整个园林占地 290公顷，坐落在一座沙丘上，故也有 “沙丘上的宫殿”之称。

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