China National Chemical Construction Corporation ( CNCCC ) contracts for domestic and overseas chemical projects.

中国化工建设总公司(简称CNCCC ) 承包国内和海外的化工工程.

口语例句

It indicates that the different chemical construction contribute to the DNA sequence characteristic differently.

这表明不同的化学结构对DNA序列特征具有不同的贡献.

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