符號: character; sign; symbol; mar ...和: mix; blend文本: text; version控制字符: control character; operation ...基本控制字: bcw basic control word文本控制: text controlascii控制字符: ascii control characters控制字符: ascii control character; character, control; operational character控制字符串: control string寫控制字符: write control character附加文本控制: appended text controls文本控制特性: text control characters過程檢測和控制流程圖用圖形符號和文字代號: prccess detection and control flow chart-symbols and letter codes編輯控制字符: edit control character差錯控制字符: error control code傳輸控制字符: tcc transmission control characters; transmission control character錯誤控制字符: error control character打印控制字符: print control character分隔控制字符: separating control character分離控制字符: separating control character復(fù)制控制字符: ccc copy control character格式控制字符: format control character; format effector character; fromat effector character; layout character呼叫控制字符: call control character機(jī)器控制字符: machine control character精度控制字符: accuracy control character