纵隔后的

Objective To evaluate the classification and surgical management of "dumbbell tumor" in mediastinum and spinal in children.

目的探讨小儿后纵隔椎管肿瘤的分型和手术方式，以提高对该病的认识及疗效。

objective according to 14 cases of patients with post-traumatic bronchial rupture of the ct and x-ray findings.analysis of its causes,trauma type,and ct,x-ray value and the advantages and disadvantages.methods 14 cases of bronchial rupture in patients with clinical data,x-ray,ct-chip analysis and summing up.results traumatic bronchial rupture study the performance of the main image①bronchial cut-off levy;②atelectasis and pulmonary fall levy③pleural effusion,pneumatosis;④mediastinum,subcutaneous emphysema;⑤many thoracic fractures;⑥traumatic wet lung,and so on.conclusion for traumatic bronchial rupture combined with x-ray and ct examination can be clearly diagnosed early.

目的 根据14例患者外伤后支气管断裂的ct和x线表现，分析其起因、外伤类型和ct、x线应用价值及优劣势。方法对14例支气管断裂患者的临床资料、x线平片、ct片进行分析、总结。结果外伤性支气管断裂的主要影像学表现①支气管截断征；②肺不张与肺坠落征；③胸腔积液、积气；④纵隔、皮下气肿；⑤胸廓多发骨折；⑥合并创伤性湿肺等。结论对于外伤性支气管断裂结合x线摄片和ct检查是可以早期明确诊断的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。