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The average reverberation intensity (abbreviated as ARI in this paper) is affected by many factors. In general, an active sonar system transmits short pulse signals, and the ARI in shallow water is proportional to the pulse length. If the ARI of a long pulse signal can be treated as the superposition of that of several short pulse signals, then the average intensity and the duration of reverberation...
Diaphragmatic hernia is a rare complication during pregnancy. Only 30 reports have been published on this subject in English between 1959 and 2009. Due to misdiagnoses and management delays, diaphragmatic hernia usually presents itself as a life‐threatening emergency. Here, we present a case report of a patient with a traumatic diaphragmatic hernia who became acutely symptomatic during pregnancy....
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