?细胞
形成干细胞源性肿瘤(畸胎瘤)是观察到嫁接未分化的胚胎干( ES细胞) ,胚体来源细胞( EBCs ) ,或哺乳动物胚胎是一个重大障碍干细胞治疗。
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EBCs in history, geography and foreign languages are due to be brought in later.
BBC: Education & Family
EBCs for other subjects - history, geography and languages - are due to be rolled out later.
BBC: Gove challenged over exam changes by watchdog Ofqual
However, Mr Gove stopped short of introducing a new qualification for 16-year-olds called the English Baccalaureate Certificate (EBCs).
BBC: GCSE changes 'could see unpredictable results'
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。