本文从对视重、惯性力的介绍入手,引导读者对超重与失重进行了解,通过对视重、视重与超重的关系,以及超重与失重的心理感受等方面内容进行详尽解析,辅以大量实例分析,尽可能全面、系统地阐述超重与失重,进而给出超重与失重的定义,从而为判断各种不同情况下的超重与失重提供准确可靠的理论依据。 This article starts with the introduction of visual acuity and inertial force and guides the readers to understand the overweight and weightlessness. Through detailed analysis of the relationship between visual acuity, visual acuity and overweight, as well as psychological feeling of overweight and weightlessness, combined with a large number of The analysis of examples shows that the definition of overweight and weightlessness is given as comprehensive and systematic as possible so as to provide an accurate and reliable theoretical basis for judging overweight and weightlessness in different situations.