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负荷超声心动图在可疑或确诊冠心病中的应用,不包括( )。
经承运人证明,旅客的人身伤亡是由于旅客本人健康状况造成的,则()。
列表对象的排序方法sort()只能按元素从小到大排列,不支持别的排序方式。
海尔企业与企业间竞争已转向()
圬工梁拱、框构桥及桥台顶面可能被积水渗入的处所,均应铺设防水层。若发现与圬工体表面有湿润渗水、流锈水白浆时,应查明防水层状态,如有破损应进行修理,必要时予以更换或增设。防水层应采用耐久性好的新型材料和C40级纤维混凝土保护层,厚度不小于()。
成本计算时涉及到的几个程序如下:a.确定成本核算对象;b.确定成本计算期间;c.明确成本项目;d.正确划分成本开支范围;e.选择合理的简便易行的费用和用工的分摊方法;f.正确计算产成品和在产品的成本,其正确的顺序是()。
SM和SC、ResourceManager通信的默认监听端口号是:()
有关cAMP信号通路,下列哪项叙述是正确的()
五瘿划分最早由哪位医家提出()
冰冻蚀刻
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