目的：探讨胸大肌胸腔内移植治疗全肺切除术后支气管残端瘘的有效性。

Objective: to investigate the efficacy of intrathoracic transposition of pectoralis major muscle for treating bronchial stump fistula after pneumonectomy.

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介绍了计算加速方法，包括隐式残差光顺和全多重网格方法；

Then, the accelerating computational methods including implicit residual smoothing and full multigrid strategy were presented.

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残气容积（RV）与吸气相中肺野平均肺密度极显著相关（P<0.01），与上、下肺野及全肺则为显著相关（P<0.05）。

RV correlates extremely significantly with the middle lung field on inspiratory HRCT(P<0.01) , significantly with the upper, lower lung field and overall lung(P<0.05).

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