It is becoming a useful tool for studying cell differentiation, the mechanism of development, gene function, medicine selection, cell therapy and so on.

胚胎干细胞的发现为研究细胞分化，动物和人发育机制，阐明基因功能，筛选药物，细胞治疗疑难杂症等开辟了广阔的空间。

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Orthogonal design improved experimental efficiency and precision, which was a good way for selection and optimization of callus induction medium and differentiation medium.

正交设计可提高试验效率及准确性，是愈伤组织诱导培养基、分化培养基筛选优化的好方法；

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In this thesis, supplier selection criteria are analyzed from the perspective of competitive strategy, namely, cost-leadership strategy and product differentiation strategy.

本论文从竞争战略的角度，即成本领先战略和产品差异化战略，对供应商选择标准进行了分析。

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There are now more than 13 MLP ETPs on the market, with very little differentiation beyond weighting and selection strategies.

FORBES: Dividend ETF Party Getting Pretty Crowded

Differentiation by ecosystem is not currently a primary driver in the selection of mobile devices for the modern, savvy consumer, but there are key differentiators that each OS can enjoy and exploit.

FORBES: Tizen Is The Fulcrum Samsung Can Use Against Android And Google