There were four large molds to form the basic shape of each standardized unit.
由四个大型模具来形成每个标准单位的基本形状。
The teaching of taking course as unit is the basic teaching form of distance education.
以课程为单元组织教学是远程教育的基本教学形式。
Word is a basic linguistic unit and the combination of pronunciation, form and meaning.
词是构成语言的基本单位，是音、形、义的结合体。
Word is a basic linguistic unit and the combination of pronunciation, form and meaning.
词是构成语言的基本单位，是音、形、义的结合体。
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