考虑到光纤出射光束的发散，在有效反射率中引入了损耗因子，讨论了它的基本工作原理。

Its principle is discussed, taking the divergent optical beam emitted from the fiber into consideration, which causes a loss factor for the effective reflectance.

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新鉴定出的生长因子的功能只是几种功能中的一种，这是一种基本的功能。

While its newly identified growth factor role is only one of several functions, that function is fundamental.

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一些研究者曾经鉴定出一种被称之为fsgs因子的循环因子，其与移植后FSGS复发相关联。

Some investigators have identified a circulating factor called the FSGS factor that appears to be associated with recurrence after transplantation.

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