可以采取很多方式扩展功能和提高应用程序的性能。
There are many ways to expand the capacity and improve the performance of an application.
唱歌可能可以帮助支气管扩张的人维持肺功能和提高生活品质。
Singing may support lung function and enhance quality of life in people with bronchiectasis.
结论pcea是开胸术后理想的镇痛方法，它可以改善肺功能和提高术后康复质量。
Conclusions PCEA is a good method of easing pain after thoracic surgery. It can improve respiratory function and life quality, for postoperative patients.
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