采用上限元法建立了压力穿孔过程中穿孔力的分析模型并给出了解析表达式。
Based on UBEM, the analysis Inodel for press piercing process has been established in this paper and its analytical expressions have been obtained.
过大的压力会导致胃壁穿孔。
Excessive pressure can lead to perforation of the stomach wall.
方法对50例压力性鼓膜穿孔患者的常频和扩展高频测听的听阈结果进行分析。
Methods 50 patients received standard pure - tone and extended high frequency audiometry for hearing measurement.
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