The problem of transient heat conduction in a semi infinite medium with the heat capacity of the heater on the boundary considered has been solved analytically.
在考虑加热器热容量的条件下，求解了半无限大物体在边界被加热时的非稳态导热问题。
The frequency and analytic vibration models can be semi analytically calculated by vibration function and boundry condition.
通过给出振型函数和相应的边界条件，半解析地确定了螺旋管扇形结构的各阶频率和振型。
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