针对再生式液体发射药火炮(RLPG)内弹道过程中非稳态喷雾燃烧流动问题，建立了数学模型，给出了具体的计算方法。

Aimed at nonsteady spray combustion flow problems of regenerative liquid propellant gun (RLPG) in process of interior ballistic, mathematical model was established, and numerical method was derived.

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循环经济是一个“资源—产品—再生资源”的闭环反馈式循环过程，最终实现“最佳生产、最适消费、最少废弃”的目标。

Cyclic economy is a close ring feedback cycle process of "resources-products-reborn resources", realizing "the best production, the most proper consumption, the least waste" at last.

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