据有关媒体报导：国土资源部中国大陆科学钻探工程中心3月30日透露，我国将投资1．5亿元人民币的一项被称之为“伸入地球内部的望远镜”的中国“入地”计划，将于今年7月启动。这项工程需时1000天，钻一口直径为156mm、深5000m的深部位井。钻探成功后，这只“地眼”将用钢套管 According to relevant media reports, the China Science and Drilling Engineering Center of the Ministry of Land and Resources revealed on March 30 that China will invest 150 million yuan in a project called “the telescope that reaches into the Earth’s interior.” The plan will start in July this year. The project took 1,000 days to drill a deep well with a diameter of 156mm and a depth of 5000m. After successful drilling, this “ground eye” will use steel casing