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国际单位制在我国已推广采用了多年,但因种种原因,对国际单位制的一些相应要求和规则,在使用中存在混用和随意性。中学物理的教与学中,也有不按规定行事的现象,这主要表现在国际单位制的词头书写和物理单位名称与物理单位的中文代号、国际代号的书写上。为此,现就教学中常常出现和忽视的这方面问题,作些说明,以期引起重视。一、词头的使用词头的国际代号(即外文字母)书写时,不论拉丁字母还是希腊字母,若词头表
The International System of Units has been promoted in China for many years. However, due to various reasons, some of the corresponding requirements and rules of the International System of Units are mixed and arbitrarily used. In the teaching and learning of middle school physics, there are also phenomena that do not follow the rules. This is mainly reflected in the initial writing of the International System of Units and the writing of Chinese names and international codes for names of physical units and physical units. For this reason, we will give some explanations in this aspect of teaching that are often appearing and neglected, with a view to attracting attention. 1. When using the prefix of the international code (i.e., the foreign language letter) of the prefix, regardless of the Latin alphabet or the Greek alphabet, if the prefix table