题型:问答题 患者,女,36岁,洪水中,她失去了家庭、爱人和孩子。无家可归,自己也肱骨骨折、昏迷。为及时解除其威胁生命的因素,稳定生命体征,救护人员应重点进行的救护原则是()A.维持有效循环B.观察伤情变化C.控制活动性出血D.密切配合医师进行诊断性操作E.每2小时测生命体征 查看答案
题型:问答题 国标码规定了进行一般汉字信息处理时所有的7 445个字符编码。其中非汉字图形字符和汉字的代码各为A.680个非汉字图形字符和6 765个汉字的代码B.682个非汉字图形字符和6 763个汉字的代码C.6763个非汉字图形字符和682个汉字的代码D.685个非汉字图形字符和6 760个汉字的代码 查看答案
题型:问答题 Frame Relay is simplified form of (51) , similar in principle to (52) , in which synchronous, frames of data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as (53) . Most Virtual Circuits are (54) , which means that the network provider sets up all DLCI connections at subscription time. (55) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.A.DLCIsB.HDLCsC.SDLCsD.DLs 查看答案