Statistics: \a science dealing with the collection, analysis, interpretation and presentation of masses of numerical data\ ebster国际大辞典 统计学是收集、分析、解释与呈现数据 资料的一门科学
Define定义 Vertigo is defined as a hallucination幻觉of movement. This may be a sensation of turning, spinning, falling rocking, etc Dizziness, although commonly used by the patient as a term to describe the above sensations refers to less severe and