The word character is used as an abstract term.
单词字符是作为一个抽象术语使用的。
Roundness is an abstract term, so long as one considers it by itself and separates if from any subject that is round.
“圆”这个字如果单就其本身而言，而不与任何圆形物体相联想时，它是一个抽象名字。
Property right is not a pure legal or economic abstract term, but a reality with historical and social elements.
产权不是一种纯粹法律的或经济的抽象，而是充斥着历史、社会因素的现实存在物。
Unit of Learning: An abstract term used to refer to any delimited piece of education or training, such as a course, a module, a lesson, etc.
学习单元：一个抽象的术语，是指任何被划定范围的教育或者培训 单元，如一个课程，一个模块，一节课等。
Unit of Learning: An abstract term used to refer to any delimited piece of education or training, such as a course, a module, a lesson, etc.
学习单元：一个抽象的术语，是指任何被划定范围的教育或者培训 单元，如一个课程，一个模块，一节课等。
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