AS引导的是什么句子,

AS引导的是什么句子,
While a particular structure may persist over time,the knowledge that diffuses through
it has limited benefit as actors absorb and apply these knowledge flows to productive ends.

虽然一种特殊的结构可能随时间的推移一直存在着,而在演员吸收和应用这些知识流到生产的目的时,通过这种结构所传播的知识却有着有限的效益.
as 在.时