1. 座谈会：有的叫研讨会(Work Shop)有讨论、演讲或实习,有的叫座谈会(Symposium)是一群专家对同一主题的研究、发表或讨论,有的叫圆桌会(Round Table)只给少数人参加的,研讨会与座谈会通常会开放给所有参与者,圆桌会通常是提供指挥之间的交流.

2. 专题研讨会：大会由专题研讨会(Symposium)、专题讨论会(Panel Discussion)、专题论坛(Forum)、口头交流座谈会(Oral)、继续医学教育(Educational Lecture)、板报交流(Poster Viewing)和手术录像交流(Video Forum)等组成,分别由亚洲著名的心血管外科专家、学者担任主持人.

1. 专题讨论会;研讨会
A symposium is a conference in which experts or academics discuss a particular subject.

e.g. He had been taking part in an international symposium on population.
他那时正参加一个有关人口问题的国际研讨会。

noun

1. a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations