New concept composition overturned the education of exam composition completely. It is also the turning of middle school composition.
“新概念作文”彻底颠覆了应试作文教育，是中学作文教学的重要转折。
This is not a new concept as experts have known for many years that the chemical composition of a person's breath changes when they develop lung cancer.
这不是一个新的感念，因为多年来专家们已经知道当某人发生癌症时他所呼出气体的化学成分也会发生改变。
Introducing the concept of quasi-composition of codes, and extending the properties on composition of codes to quasi-composition of codes, thus getting some new result.
引入码的拟复合的概念，并把码的复合的一系列性质推广到拟复合的情况，得到一些新的结果。
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