Notation

(noun.) the activity of representing something by a special system of marks or characters.

(noun.) a technical system of symbols used to represent special things.

整理:洛蒂

• Inventions-- Alphabetical Writing; Arabic Notation; The Mariner's Compass; The Telescope; The Steam Engine. 威廉·亨利·杜利特. 世纪发明.
• Among the great _inventions_ of the past are alphabetical writing, Arabic notation, the mariner's compass, the telescope, the printing-press, and the steam-engine. 威廉·亨利·杜利特. 世纪发明.
• The officer drew a powerful glass from his desk and examined all three specimens carefully, making notations meanwhile upon a pad of paper. 埃德加·赖斯·巴勒斯. 人猿泰山.

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