The deep space exploration is high investment, risky scientific and technological activities, simulation is one of the effective means to reduce the risk and production cost.
深空探测是高投入、高风险的高科技研究活动，仿真研究是降低风险和成本的有效手段之一。
2
To thrift, cost-effective, cherish and make good use of all national investment and aid funding, ensure rebuilding project fully exert economic and social benefits;