“神舟”号宇宙飞船数度腾空刺九天的消息，振动了无数中华儿女激情饱满的心。每一次，北京航空航天大学自动化学院院长张广军在确信其中的设备“二氧化碳分压传感器”工作顺利，安然回收后，脸上都会自然地流露出难得的轻松笑容。“二氧化碳分压传感器”是飞船环境控制与生命 The “Shenzhou” spacecraft made several days of stabbing and stabbing news for nine days, vibrating the hearts of countless Chinese children with passion. Every time, Zhang Guangjun, Dean of the School of Automation of Beijing University of Aeronautics and Astronautics, was convinced that the equipment “CO2 partial pressure sensor” worked smoothly, and after his recovery, his face would naturally reveal a rare smile. “CO2 partial pressure sensor” is spacecraft environmental control and life