In order to meet the research need of air flow in I. C. E., a set of PIV system has been developed.

本文针对内燃机缸内气流运动研究需要，在国内首次开发研制出一套内燃机缸内全流场PIV测速系统。

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To satisfy the research need of analyzing electromagnetic interference inside and outside of the system, electromagnetic topology theory came into being.

电磁拓扑理论则是应分析系统内外电磁干扰的需要而产生的非常重要的工具。

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But she says the research does show the need to study whether or not there are long-lasting effects of repeated exposure over several years.

VOA: special.2011.03.02

954. In it he said we need to also research kindness, goodness and happiness and optimism.

954年，他在其中写到，我们需要研究，善良，美德，快乐与乐观。

哈佛公开课 - 幸福课课程节选

Despite that fact,I argue that we need to shift the pendulum and do more "positive research",or in other words, research that focuses on what works.

尽管如此，我还是认为我们该改变那比率,做更多“积极研究“，或者说，集中研究可行的事。

哈佛公开课 - 幸福课课程节选

The problem is that the extra returns obtained through such research need to be larger than the costs of conducting it.

ECONOMIST: A survey of fund management

Many lines of research need to be pursued, and it is in the nature of things that most do not turn out to be important.

FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?

The strategy describes the NNI EHS research investment by research need, the state of the science, and an analysis of the gaps and barriers to achieving that research as part of the NNI's adaptive management process.

WHITEHOUSE: Office of Science and Technology Policy Blog