Theory and generation method of nondiffraction beam have been given.
文中给出了无衍射光束的理论及实现方法。
The method can be applied to similar calculations of beam structures.
本文方法可推广到其它类似的梁式结构计算中。
Then applied to the free beam as an example, the method is verified.
最后以自由梁为例进行了验证。
Then applied to the free beam as an example, the method is verified.
最后以自由梁为例进行了验证。
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