现在让我检查你有没有异常的胸音。
在肺胸系统正常和机能异常情况下对肺泡呼吸音、哮鸣音、喘鸣音和破裂音进行了分析。
Vesicular breath sounds, wheezes, stridors and crackles in the normal lung-thorax system mechanism and abnormal lung-thorax system mechanism were analyzed.
实验结果表明:正常肺音音源为白噪声,异常肺音音源为周期脉冲序列,肺胸系统相当于声低通滤波器。
The results of experiment show that dreath sound sources are random white noise, Abnormal breath sounds sources are sequence of periodic impulses.
我甚至不必费神看我的诗稿,因为这首诗我花了很多时间完善韵律、对齐音步,所以我对这首诗了熟于胸。
I'd spent so much time perfecting the rhymes, and counting the beats, that I knew the poem by heart.
我甚至不必费神看我的诗稿,因为这首诗我花了很多时间完善韵律、对齐音步,所以我对这首诗了熟于胸。
I'd spent so much time perfecting the rhymes, and counting the beats, that I knew the poem by heart.
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