求翻译：二是时间计划过于乐观。迪拜旋转塔项目建设在2009年正式动工，原计划项目在2010年完工，工程预计80个工人，用时20个月即可完成。面对如此庞大的建筑项目，从建筑形态、建筑原理、施工方式、动力系统等等问题，在建筑界都是创新的概念，并未得到更好的验证及实施，对项目建设存在问题严重估计不足，都会导致项目停工。原本应该在2010年底完成的工程也就仅只是一个计划。是什么意思？

The second time the plan is too optimistic. Dubai rotating tower project construction to commence in 2009, the original plan was completed in 2010, the project is expected to 80 workers, with 20 months to complete. The face of such a large building projects, from building forms, architectural princi

It is time to plan 2 was too optimistic. Dubai rotating Tower project construction started in 2009, the original project completion in 2010, the project is expected to more than 80 workers when the 20 months to complete. Faced with such massive construction projects, from building patterns, construc

Second is the time plan was too optimistic. Dubai rotating Tower project officially commenced in 2009, planned project completion in 2010, which is scheduled to 80 workers, took 20 months to complete. Facing such a huge construction project, from the principles of architectural patterns, architectur