以冲压加速器为工程背景，着重研究预混燃气高压不稳定燃烧问题。
In this paper, the ram accelerator is taken as engineering background, the high pressure abnormal combustion of a combustible gas mixture is studied.
本文以露天矿边坡为工程背景，对边坡开挖的卸荷效应进行了研究。
The effect of excavation unloading has been studied on the ground of open-pit slope project in this thesis.
以程潮铁矿为工程背景，首先论述了严重垮冒采区溜井研究的必要性和重要性。
With Chengchao Iron mine as the engineering background, the necessity and importance of investigating the serious collapse of mine pass are discussed.
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