实质性病变的声像图中，哪项错误?(?)A．边缘光滑或不光滑B．外形规则或不规则C．内部无回声衰减D．后方回声不变或减弱E．侧方声影有或无

作者: rantiku 人气: - 评论: 0

问题实质性病变的声像图中，哪项错误?(?)

选项 A．边缘光滑或不光滑 B．外形规则或不规则 C．内部无回声衰减 D．后方回声不变或减弱 E．侧方声影有或无

答案 C

解析

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