The Euler solution is obtained using time-marching method by MacCormack two-step finite-difference scheme, which has second-order accuracy in both time and space.

应用隐式时间推进法对不同马赫数的无粘和粘性流动进行数值分析 ，给出了基于预处理方法的高阶精度隐式求解方法。

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Republicans have been critical of the Orange Order and other Protestant marching groups for refusing to talk to Catholic residents in the areas where parades take place.

BBC: NI's relief at peaceful summer

Members of Cookstown DPP have been told they will be harassed if any controversial loyal order parades are re-routed during the marching season.

BBC: NEWS | UK | Northern Ireland | Loyalist threat to DPP members

The marching season reaches it peak on 12 July, when thousands of loyal order members parade through towns and cities to mark the anniversary of the Battle of the Boyne.

BBC: City Hall flag protest