应用达朗贝尔原理建立了考虑几何非线性的方形张拉膜结构的离散非线性振动方程组；
D′Alembert′s principle is used to derive an ordinary differential equation set for free vibration of a discretized square tensioned membrane with geometric nonlinearity.
本文介绍了地下大跨岩石隧洞于山溜冰场的施工步骤 ，微振动控制爆破技术在施工中的应用 ，以及树脂张拉锚杆的施工等技术。
The application of microseism controlled blasting technique during construction, as well as the construction technique of the resin tensile anchor bolts, are introduced also.
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