定义了与ISO 3833中定义的三轮轻便摩托车和摩托车（带一个前轮和两个后轮，带两个前轮和一个后轮，配有侧车）尺寸相关的术语。它不涉及测量方法，也不涉及报告结果时使用的单位，也不涉及所需的精度，也不涉及所定义尺寸的数量级。

Defines terms relating to the dimensions of three-wheeled mopeds and motorcycles as defined in ISO 3833 (with one front wheel and two rear wheels, with two front wheels and one rear wheel, equipped with a side-car). It does not deal with measurement methods, nor with the units used in reporting the results, nor with the accuracy required nor with the order of magnitude of the dimensions defined.