Through theoretical study and learning from international experience, a way to solve this dilemma is explored.
并通过深入的理论探讨和对国际经验加以借鉴，力求探索出解决这种困境的出路。
A formula for analyzing the low frequency instability of the tube grain engine is derived through theoretical study.
通过研究导出一个分析管状装药发动机低频不稳定性的关系式。
Through theoretical study and laboratory experimentation, the feasibility of this automatic system concept has been verified.
通过理论分析与实验室试验确认此自动控制方案是可行的。
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