趣英语 / precursors造句

precursors造句

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.
某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.

Note the presence of megakaryocytes, erythroid islands, and granulocytic precursors.
可见巨核细胞, 红细胞岛和粒细胞前体细胞.

Vascular endothelial progenitor cells ( EPCs ) are the precursors of endothelial cells ( EC ) .
血管内皮 祖 细胞是血管内皮细胞的前体.

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