求翻译：该展项是采用投影画面来覆盖整个模型溶洞的墙壁，使参观者进入以后又身临其境的感觉，画面的内容有三个主题，沙漠、森林和平原，三个场景不断切换从而展现多角度的大地场景。是什么意思？

The exhibition is a projection screen to cover the entire model of the cave's walls, so that visitors enter an immersive feeling, the contents of the screen there are three themes, deserts, forests and plains, three scenes constantly switch to show the multi-angle the earth scene.

The exhibition is a projection screen to cover the entire model of the cave walls, enabling visitors to enter and then the feeling of immersion, the picture of the content there are three themes, desert, forest, and the three scenarios are switching to present multi-angle of the earth scenario.

正在翻译，请等待...

The exhibition is the use of the projection screen to cover the entire model cave walls, bringing visitors into the immersive feel at a later, the contents of the picture has three themes, deserts, forests and Plains, three scenes continue to switch to Earth scene shown from different angles.

Should unfold the item is uses the projection picture to make a round trip covers the entire model limestone cave the wall, causes the visitor to enter the feeling which later will experience personally, the picture content has three subjects, the desert, the forest and the plain, thus three scenes