每一个盲文字母都有与之对应的独一无二的点位或符形,而同一个符形在脱离语境的情况下却可能对应两个字母。盲文字母中的每个点都可依据其所处的排、列关系进行坐标式定位。为此,笔者提出“参照字母”这个概念,并举例论述通过参照字母确定其它字母点位的方法。 Each Braille has a unique point or symbol corresponding to it, and the same symbol may correspond to two letters in a context-free manner. Braille each point in the alphabet can be based on its row, column relationship coordinate positioning. For this reason, the author proposes the concept of “reference letter” and gives an example to illustrate the method of determining other letter points by referring to letters.