2007年，在全区上下共同努力下，镇海区捐赠工作取得可喜成绩。

In 2007, with all the efforts from people of the whole district, the donation work of Zhenhai district made gratifying achievements.

介绍了镇海区GPS三维基准网的设计思路、建立方法及实现过程，探讨了GPS水准代替四等水准在本项目中的实现情况。

This paper introduced the consideration about design, establishment and the actualization process of the GPS three-dimensional datum network in Zhenhai city.