请大家帮我看个句子，谢谢！

128. “In general, a company’s most valuable employees are those who are more concerned with productivity as measured by quick results than with quality that takes time to achieve.”

as这里做设么成分？confused~,谢谢！

介词，as measured by quick results 修饰productivity。

这里可以理解为：以quick results来衡量的productivity。