现代测向技术大致可分成幅度测向、相位测向和相位幅度相关矢量测向和超分辨率测向。
参考答案:对
Zunhua is one of the famous tourism destinations, lies Donling, a group of the Qing Imperial Tombs.
A.20 miles northwest of it
B.20 miles northwest of which
C.northwest 20 miles of it
D.northwest 20 miles of which
患者女性,70岁,因“突发头晕伴呕吐5小时”急诊入院。5小时前患者晨起时突发头晕伴有呕吐,行走不稳倒地,无原发昏迷,头部无明显外伤。体温36.5℃,心率88次/分,呼吸16次/分,血压120/80mmHg(1mmHg=0.133kPa)。意识清楚,卧位,双侧瞳孔等大等圆,对光反射灵敏,调节及集合反射正常存在。面部感觉正常,面纹对称,伸舌居中。四肢肌力、肌张力正常,感觉无明显减退,病理征阴性。颅脑MRI示:右侧小脑及双侧大脑半球多发异常信号,右侧小脑半球见边界清楚的类圆形肿块,T1WI呈低信号,T2WI呈稍高信号,周围环绕长T2水肿带,增强扫描呈明显均一强化。左基底核区及右侧半卵圆中心长T1、长T2异常信号,增强扫描呈握拳样强化。
最可能的诊断是()
A.转移瘤
B.淋巴瘤
C.胶质母细胞瘤
D.脑膜瘤
E.脑出血