Facial feedback theory testing was the main question of this study.

人脸反馈理论测试是本研究的主要问题。

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Such phenomena as a brilliant diamond or a nesting bird are relegated to the role of data, serving as the means for formulating or testing a new theory.

诸如璀璨的钻石或筑巢的鸟等现象都被归于数据的作用，成为形成或检验新理论的手段。

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Based on language testing theory, the author scrutinizes the status quo of current NAETI.

在语言测试理论的基础上，对全国外语翻译证书考试的现状做了一番考察。

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Ford Motor has already been testing the theory of small premium cars, with some success.

FORBES

We are further away from medical clinical application theory building, experimentation testing, etc.

FORBES: What's Better for Business: Logic or Emotion? Answers From Neuroscience

However, scientists are testing the theory that the volcanic eruption has increased iron in the water and will prolong the spring blooms into summer.

CNN: Could volcanic eruptions signal boom time for ocean life?