Thus, it is urgent and necessary to study and experiment this research.

因此，本课题的研究与实验有其实施的迫切性和必要性。

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The study and experiment on the repair of roller journal CO_2 shield welding with proper welding technics has been done by us.

用CO_2气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。

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This paper introduces the study and experiment of the usage of 3d laser scan technology in spatial information collection of historic building.

本文介绍了三维激光扫描技术应用于历史建筑现状空间信息采集方面的研究和实验。

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Slocombe and Zuberbuhler's study is the first experiment to show that vocal sound can carry meaning for chimpanzees.

FORBES: Can Chimps Talk?

But Sandborn considers Smarr a scientist conducting an experiment on himself, and the pilot study is ongoing.

CNN: Tracking your body with technology

Seventy French university students were recruited for the study and told they would be participating in a three-day experiment testing the effects of brightness of video games on visual perception.

FORBES: Study: More Violent Video Game Play Results in More Aggression