客房送餐部服务员收集早餐门把手菜单通常在()。 ["1:00","2:00","3:00","4:00"]
复检报告的检验结果由()填写。 ["仓管","QE","IPQC","OQC"]
下列哪种肿瘤的质地最硬()。 ["脂肪瘤","纤维瘤","骨瘤","平滑肌瘤","腺瘤"]
《医疗机构从业人员行为规范》的执行和实施情况,应列入() ["医疗机构校验管理和医务人员年度考核","定期考核和医德考评","医疗机构等级评审","医务人员职称晋升、评先评优的重要依据","以上都对"]
下列哪项是病理诊断羊水栓塞的依据?() ["肺毛细血管内有角化上皮","肺脏广泛出血","肺泡内有角化上皮","弥漫性肺毛细血管内透明血栓形成","肺泡内透明膜形成"]
一份电文中有6种字符:A,B,C,D,E,F,它们的出现频率依次为16,5,9,3,30,1,完成问题:(1)设计一棵哈夫曼树;(画出其树结构)(2)计算其带权路径长度WPL;