未生育成年妇女的子宫大小为() ["A.8cm×5cm×3cm ","B.7cm×5cm×3cm ","C.8cm×6cm×4cm ","D.5cm×4cm×2cm ","E.5cm×3cm×2cm"]
通常用的水泵对轮轴的径向晃动不超过()。 ["0.03","0.05","0.08","0.1"]
患者,男,65岁,左耳持续流脓10余年,脓液量多,为黄色黏脓,伴有恶臭,最近1周流脓量减少,但出现左侧头部剧痛,夜间加重,伴有寒战、高热、恶心、呕吐、消瘦、贫血、面色苍白、脉快、呼吸急促、全身无力。检查见外耳道黄色黏脓,恶臭,鼓膜松弛部穿孔,有痂皮覆盖。若合并对侧肢体偏瘫、对侧中枢性面瘫及失语症最常见于哪个部位的病变() ["大脑颞叶","小脑","脑桥","乙状窦","脑干","大脑额叶"]
抗性
在吊装作业中,手臂伸直,置于头上方,五指自然伸开,手心朝前,保持不动的意思是?
耗散结构