腹部损伤患者为尽早明确诊断,错误的治疗是
更新时间:2024-11-15 19:53:44 A、不随便拖动患者C
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Whenapersonimmigratestoanothercountry,heshould_(conscious)adapthimselftothenewenvironment
Expertshavefoundthatnormalsleepcanbedividedintofive______stages
Notuntilrecently_____thatThompsonhadbentellingthetruthallalong
一质点沿x轴作振幅为A的简谐振动,当t=0时,质点的位移恰好为x0=A.若振动的运动学方程用余弦函数表示,则质点振动的初相为()
两列波的表达式分别为y1=cos2Avtx(/)和y2=cos2Avtx(/),两波叠加后在坐标原点x=0处的振幅为()