Secondly, rapid changes in society have created a need for these images. "Taiwan's land surface profile is changing faster than probably any other place in the world, yet we don't have enough dynamic data on these changes.
另一方面，則是社會急劇變遷產生的需要，「台灣地表狀態的改變可以說是全世界最急速的，但是地表變化的動態資料卻很不足。