The requirement for the conventional time-domain techniques, however, that can not accurately simulate wave propagation over many periods of time suggests that high-order time-domain techniques should be considered.

• 然而传统的时域计算方法无法满足在大量的时间周期上精确地模拟波传播的要求,这暗示了高阶时域计算方法应该被予以考虑。