它可以使人与人之间的信息交流更加简明。
It makes the exchange of information among people more simple and clear.
最终，这也许只是品味不同，Groovy的熟手用户通常更喜欢for/in循环这样更加简明的语法。
At the end of the day, it is probably more a matter of taste, and long time Groovy users usually prefer the most concise syntax with the for / in loop instead.
经过仿真计算，传播常数的引入不仅使问题的求解过程从物理概念上变得非常清晰，而且求解也更加简明。
After simulation, it becomes more explicit on physical concept for solution process with the introduction of the wavenumber, and also more concise on solution.
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