选择了不同的截断条件和中心探测器接收度修正方法以得到较平坦的快度分布。
Different cut-off condition and different acceptance correction methods of UA-1 central detector are selected in order to obtain flater rapidity distribution.
本文应用等值浅水模式，采用截断模方法，分析了急流的稳定性，并给出急流上不稳定波出现的条件。
In the text, we used equivalent shallow water model and truncated model method to analyse the stability of the jet, and pointed out the conditions of the appearing of instable wave.
在外边界上统一应用适合于人工源的一阶吸收边界条件来形成边值问题，可减小基于平面波假设造成的人为截断边界的影响。
The first order absorption boundary condition is applied to the outside boundary, which can avoid the error caused by the plane wave assumption.
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