There were signs that she struggled with her attacker.现场有她和攻击者扭打过的痕迹。The attacker still stood there, watching her with silent contempt.袭击者还站在那里，用一种鄙夷的眼神一言不发地看着她。The attacker may have been waiting around for an opportunit...
Purpose To recognize the value of double helix CT in diagnosis of Chronic otitis mastoidea.目的:确定慢性化脓性中耳乳突炎的双螺旋CT扫描诊断价值.In order to represent Archimedes helix with control polygon, we construct Bernstein - like basis.为了用控...