A letter of recommendation from two associate professors, experts, or scholars with equal title.

两名副教授或相当职称以上专家、学者的推荐信。

youdao

Faculties are to be classified as professors, associate professors, assistant professors and instructors.

大学教师主要有教授、副教授、助理教授、讲师四种类型。

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Associate professor is a little low, of course, but among associate professors, your salary is the highest.

副教授当然有屈一点，可是你的待遇算是副教授里最高的了。

youdao

In 2010, Johan Bollen, an associate professor at Indiana University and two other professors published research showing how using Twitter could with more than 85% accuracy predict the daily up and down readings of the Dow.

WSJ: In the Wired World, Feeds Drive Trading

First, bad ideas must be so widely discredited that professors become too embarrassed to espouse them openly or associate with colleagues who do.

CENTERFORSECURITYPOLICY: Terror training grounds