"The core and the most difficult part of the Mars exploration mission are the aerodynamic shape and parachute deceleration process after the probe enters Martian atmosphere. There is just one chance to ensure success."
“这次火星探测任务最核心、最难的地方，就是探测器进入火星大气后气动外形和降落伞减速的过程，只有一次机会，必须确保成功。”