Alkali was the principal type of burns among minors (61.1%).

未成年人中碱烧伤为首要致伤类型(61.1%)。

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Resource_based cities are one principal type of the cities in China.

资源型城市是我国城市中重要的类型之一。

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The cardiac fibroblasts (CF) are the principal cell type of the heart.

心脏成纤维细胞(CF)是构成心脏的主要细胞类型。

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The cardiac fibroblasts (CF) are the principal cell type of the heart.

心脏成纤维细胞(CF)是构成心脏的主要细胞类型。

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