汉译英：项目于2003年4月经国家发改委请示国务院立项建设，是国家和陕西省的重点文物保护项目。

In April of 2003, under the national development and reform commission for menstrual construction, it is country and shaanxi province key cultural relic preservation project.

个人觉得这个比较权威!

项目于2003年4月经国家发改委请示国务院立项建设，是国家和陕西省的重点文物保护项目。
In 2003 4 menstrual request of the State Council, National Development and Reform Commission approved the construction of the country and the focus of the Shaanxi Provincial heritage item

In 2003 4 menstrual request of the State Council, National Development and Reform Commission approved the construction of the country and the focus of the Shaanxi Provincial heritage item.