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基本概念
jīběn gàiniàn
stresses
gen.
фундаментальное понятие
ed.
основные понятия
;
основное понятие
;
элементарные понятия
O&G
основная концепция
tech.
основные сведения
基本概念:
9 phrases
in 2 subjects
Education
2
General
7
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