曾多次应邀参加各级学术交流会议，并多次受到上级部门的嘉奖。

He has invited to attend all levels learning communication meets and was commended by superior institutes.

youdao

曾多次应邀参加各级学术交流会议，并多次受到上级部门的嘉奖。

He has invited to attend all levels learning communication meets and was commended by superior institutes.

youdao