zhè / cì / bīng / qí / tuī / yǎn / bāng / zhù / wǒ / men / fā / xiàn / le / zhǐ / huī / xì / tǒng / de / wèn / tí这次兵棋推演帮助我们发现了指挥系统的问题。This war game helped us identify problems in the command system.