这个as是什么词性 什么成分 什么用法

这个as是什么词性 什么成分 什么用法
For those already training in the academic world but who want to make a career outside academe,the report's most important message is that the labor market rewards skills useful to employers,not academic credentials per se.As Science Careers has often observed,scientists who learn those skills are the ones most likely to prosper beyond campus walls.

As Science Careers has often observed,as是关系代词,引导非限制性定语从句,翻译为：正如Science Careers{科学生涯}杂志观察到的一样,学习那些技能的科学家极有可能成为在校园围墙外取得成功的人.
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