利用全站仪后方交会功能,可直接测出架站点的平面坐标。通过矿山大型硐室两井定向测量2种方法的分析比较,得出结论:全站仪后方交会......

The Authors summarize problems,criticisms but also advantages and indications regarding the recent surgical proposal of ......

AIM To compare outcomes in patients undergoing rectal resection by robotic total meso-rectal excision(RTME)vs laparoscop......

AIM To perform a systematic review and metaanalysison robotic-assisted vs laparoscopic liverresections.METHODS： A systema......