各位来宾、各位代表、各位同志:我代表主席团祝贺北京矿业学院第一次科学讨论会开幕。我代表北京矿业学院的全体教师工作人员和学生对参加这次科学讨论会的领导机关,有关厂矿企业,科学研究机关和兄弟学校的全体同志表示热烈的欢迎。我们对於一向密切关怀我国科学事业并出席指导这次会议的全体苏联专家表示热烈的欢迎和衷心的感谢。 Ladies and Gentlemen, Dear colleagues, On behalf of the presidium, I hereby congratulate the opening of the first scientific symposium of the Beijing Mining Institute. On behalf of all staff and students of Beijing Mining Institute, I extend a warm welcome to the leading organs participating in this scientific symposium, all the comrades concerning factories and mines, scientific research institutes and fraternal schools. We extend a warm welcome and heartfelt thanks to all the Soviet experts who have been paying close attention to the scientific undertaking of our country and attending and guiding this meeting.