符的英文：
mark
sign
talisman
to seal
to correspond (to)
tally
symbol
written charm
to coincide

• The operator O is the null operator.
  算符O是零算符。
• The operator in parentheses in (3. 54) is called the Laplacian operator
  在(3．54)的括號(hào)里的算符叫做拉普拉斯算符。
• OCR (optical character recognition)
  光學(xué)字符識(shí)別,光學(xué)符號(hào)識(shí)別,[港]光符識(shí)別
• In computer graphics,a technique of echoing a locator,using a cursor.
  在計(jì)算機(jī)制圖學(xué)中，一種使用光標(biāo)回送定位器[符]的技術(shù)。
• In optical character recognition(OCR,a misalignment of the first character of a line with respect to the left margin.
  在光符識(shí)別技術(shù)(OCR)中，某行的第一個(gè)字符相對(duì)于左頁(yè)邊排列不齊的現(xiàn)象。
• A nail in one's coffin
  催命符
• We use a circumflex to indicate an operator
  我們用抑揚(yáng)符表示一算符。
• Event ID
  事件識(shí)別符
• May the future agree with my best wishes
  定符下頌
• The progress indicator is displayed in the status bar.
  進(jìn)展指示符在狀態(tài)欄上。

• Marking: Every package shall be marked with “SM” in diamond and marked the package number.
  麥頭每件包裝應(yīng)刷上菱形圖案內(nèi)有二字,并應(yīng)刷上件號(hào)
• impress a mark on [ upon ] a surface=impress a surface with a mark
  在表面上打記號(hào)
• To mark or mottle with spots.
  有斑點(diǎn)，成斑駁用點(diǎn)作標(biāo)記或使斑駁雜色

• This is a superscript sign.
  這是個(gè)標(biāo)在上方的符號(hào)。
• This is a hopeful sign.
  這是一個(gè)樂(lè)觀的信號(hào)。
• Scorpio is an Autumn Zodiac Sign（ as are the Signs of Libra and Sagittarius）。
  天蝎：黃道十二宮的第八宮，每年10月23日前后太陽(yáng)到這一宮。

• In fact, however, there is no talismanic significance to the word "proposal"
  然而，事實(shí)上，“提案”一詞本身并不具備護(hù)身符般的特殊意義。
• Dress was the one unfailing talisman and charm used for keeping all things in their places
  衣冠是當(dāng)作保持品位和秩序的一種萬(wàn)應(yīng)靈符。
• I will not rely entirely upon ``totally reliable`` spells that can be neutralized by relatively inconspicuous talisman.
  我不會(huì)依賴(lài)可以被不引人注目的護(hù)身符所抵銷(xiāo)的萬(wàn)無(wú)一失的魔法.