The deflection and stress of the structure are linear with load under effect of live load. The superposition principle can be used.
活载作用下结构挠度、应力与荷载呈线性关系，叠加原理能够适用。
The deflection and stress of the structure are linear with load under effect of live load. The superposition principle can be used.
活载作用下结构挠度、应力与荷载呈线性关系，叠加原理能够适用。
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