此算法不仅具有多区域伪谱时域算法分析任意曲边形体问题的精确性和灵活性，而且稳定性和效率也相应地提高。

This algorithm not only maintains accuracy and flexibility of PSTD for an accurate treatment of arbitrarily curved objects, but also improves stability and efficiency.

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针对多区域切比雪夫伪谱时域算法稳定性方面的问题，采用隐式和显式两种时间积分方式对此进行改善。

The implicit and explicit time integration schemes are used to improve the stability condition of the MCPSTD algorithm.

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