著名数学家冯.诺依曼提出了现代计算机的设计思想,即计算机应有()、()、()、()和()五个部分组成。
关于“T”管引流的护理,不正确的是:() ["引流袋位置高于切口平面","保持引流管通畅","避免引流管打折、受压、成角","观察胆汁颜色、性质,并准确记录24H引流量","定时更换引流袋"]
响度、响度级的单位分别是()。 ["dB、方","dB、宋","方、宋","宋、方"]
水泥混凝土垫层的厚度不应小于()mm。 ["30","40","50","60"]
Which version of NTP was the first to support cryptographic authentication?() ["Version 1","Version 5","Version 4","Version 3"]
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