Positional information is one of the important mechanisms underlying plant development because it is involved in pattern formation, cell differentiation and cell fate determination.

位置信息是植物发育的重要机制之一，它在植物体的模式建成、细胞的分化及细胞命运的抉择过程中起重要作用。

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At the scene of the dig south of the capital, Elena and the other family members present were resolute in their determination to find clues as to the fate of their family members.

VOA: standard.2009.12.18