Foreigners eligible include experts entering the country to offer medical assistance, drug development and academic exchanges.

符合条件者包括来华参与医疗救助、药品开发和学术交流的外国专家。

In other words, even if the Frontiers of Science influenced them, it was only through legal academic exchanges.

换句话说， 即使科学前沿对他们产生了影响，也只是通过合法的学术交流。