Objective:To evaluate X-ray manifestations and the be st checking method of ureter polyp.
目的：探讨输尿管息肉的X线表现及最佳检查方法。
Should Primary Percutaneous Coronary Intervention Be the Preferred Method of Reperfusion Therapy for Patients With Renal Failure and ST-Elevation Acute Myocardial Infarction?
直接经皮冠状动脉介入应该成为肾衰并s T段抬高急性心梗患者再灌注的首选治疗吗？
Based on the 5 years' practical data of domestic stock companies, a method of setting up st forecast model is proposed and a satisfied prediction result is obtained.
结合国内上市公司5年的财务数据，给出了上市公司ST(特别处理)预测的神经网络建模方法，并得到了令人满意的预测效果。
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