符号: character; sign; symbol; mar ...字符: character带符号字符: signed character无符号字符: unsigned character单引号字符: single quote character非引号字符: non apostrophe character撇号字符: apostrophe character长音符号字: long letters带符号字段: signed field; signed filed符号字典: symbol dictionary符号字段: sign field内符号字典: internal symbol dictionary同步信号字符: synchronous signal character单符号字母表: one-symbol alphabet; one-symbolalphabet符号字体文件: symbol font files全程符号字典: global symbol dictionary外部符号字典: external symbol dictionary (esd)单位分隔号字符: unit separator character(us)单字符号: one-letter symbol加字符号: caret连字符号: hyphenation连字符号的: hyphenated省字符号: apostrophe数字符号: digit sign; digit symbol; digital character; numeric character; numerical notation; numerical symbols; symbol of numeral四文字符号: tetragram