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R,L,C和R,L,C是电学书刊中最常见的英文字母。由于两组对应的字母读音相同,所代表符号的中文读音亦相同(即无论正斜体,均读作电阻、电感、电容),加之往往在同一篇文章中要同时出现,且文中叙述时二者又有必然联系,就使得这些字母的正斜体标识很困难,从而导致它们在电学书刊中的用法较为混乱。为使其标识规范、统一,在分析现电学书刊中它们的常见用法基础上,提出了要根据其在文中的确定意义,遵照现有标准和规范,应该标识正体标识正体,应该标识斜体标识斜体。
R, L, C and R, L, C are the most common English letters in electrical books and periodicals. Since the two groups correspond to the same phonetic pronunciation, the Chinese phonetic symbols of the representative symbols are the same (that is, they are all read as resistance, inductance and capacitance), and tend to appear together in the same article at the same time There is an inevitable connection that makes the italic identification of these letters difficult, leading to their confusion in the usage of electrical books and periodicals. In order to standardize and unify their identification, on the basis of analyzing their common usage in current electrical books and periodicals, it is proposed that according to their definite meaning in the text, to comply with the existing standards and norms, the positive sign should be identified and the italic italic .