研究了飞机外挂物投放问题的数值模拟方法，并应用于安全性设计。
A numerical simulation method on aircraft store separation was studied and applied in safety design.
对此，农信社有关人员的解释是：他们在进行模拟演习，这些浓烟是人为投放催泪弹所致。
To this, the explanation of concerned staff of farming letter agency is: They are having imitate practice, these smother are to put tear bomb on be caused by artificially.
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