Discussion Issue How to embrace Strategy and Operation How to upgrade Practical Module What is the Bottleneck of Simulation Application 北京邹蜜大学Discussion Issue Discussion Issue Ⅰ ‡‡How to embrace Strategy and Operation ? How to embrace Strategy and Operation ? ‡‡How to upgrade Practical Module ? How to upgrade Practical Module ? ‡What is the Bottleneck of Simulation Application ? ‡What is the Bottleneck of Simulation Application ?