求翻译：由于月球环境复杂多变，所以探测月球在技术上存在许多难题。如探测卫星轨道设计与控制；测控和数据传输；卫星导航与控制；四热控技术等等。需要逐步解决。是什么意思？

As the Moon environment complex and changeable, so explore the Moon presents many challenges in the technology. Satellite orbit design and control; control and data transfer; satellite navigation and control; four thermal control technology, and so on. Need to be solved step by step.

正在翻译，请等待...

As the Moon environment complex and changeable, so explore the Moon presents many challenges in the technology.%