@@ The patient,a 78-year-old male,was admitted to the hospital on Nov.15,2007 because of paroxysmal chest distress and shortness of breath for 11years and edema of lower extremities for 3 days.The patient began to suffer from paroxysmal chest distress and shortness of breath after exertion in 1997,then these symptoms recurred frequently,which lasted 10 min to several hours.
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机译:超短波长发逹の歴史的考察Wenstrom, W. H.: Histrical Review of Ultra-Short-Wave Progress. Proceedings of the Institute of Radiö Engineers. Vol. 20, No.1, January, 1932.
机译:Some Characteristics and Innovative Development Countermeasures of Short Weather Video:A Case Study of the First Award-winning Excellent Short Weather Video in Hubei Province