应用内弹道和气体动力学理论建立了原理样机的火药燃气作用的数学模型。
The interior ballistic trajectory theory and aerodynamics theory are applied to the mathematics model which belongs to the principle of sample-rifle pushed by the gunpowder gas.
应用内弹道和气体动力学理论建立了原理样机的火药燃气作用的数学模型。
The interior ballistic trajectory theory and aerodynamics theory are applied to the mathematics model which belongs to the principle of sample-rifle pushed by the gunpowder gas.
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