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肌萎缩侧索硬化的病理改变包括( )
患者狄某,头痛发热,有汗不畅,微恶风寒,口渴,咳嗽,咽痛,舌尖红,苔薄白,脉浮数。治宜选用( )。
“用户可以随时提出购入要求,采取需要多少就购入多少的方式,供货者以自己的库存和有效供应系统承担即时供应的责任,从而使用户实现零库存”,这段话描述的是()
半波天线的辐射电阻为()Ω。
脊柱器质性侧凸的特点是( )。
抗HBc(-),抗HBe(-),抗HBs(+),HBsAg(-),表明( )。
项目计划方法学的目的是()。
下列哪项是对医师有合理的个人利益的正确理解?( )
药物的基本作用是使机体组织器官( )。
我国实施ISM规则的主管机关是()。
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