With rapid development of the Large Scale Integrated circuit and wireless communication technology, people no longer satisfied with the conference system made by one microphone and two sound boxes.
随着大规模集成电路和无线通信技术的飞速发展，人们不再满足过去那种一只话筒、两个音箱的会议模式。
2
If you want to send a no-hard-feelings signal for the sake of future conference-circuit encounters, put in some vaguely positive statement: you've enjoyed "aspects of the job" or "learned a lot."