以前的研究

precious resource───宝贵的资源

operations research───[数]运筹学；作业研究

present research───当前的研究

operations researches───[数]运筹学；作业研究

operational research───运筹学

archival research───文献研究法；档案研究

careful research───仔细研究

previous decade───[计]前一个十进位

previous era───前时代

Previous research found land plant productivity was on the rise.───以前的研究认为地面植物生产力处于上升态势。

Previous research found that distraction can ease pain.───前面的研究发现，分散物确实能减轻疼痛。

Proving the point involved collating a lot of previous research.───证实这一观点涉及大量对以往研究的整理。

Previous research has established that this is an effective way to "prime" people into feeling as if they are currently in such a position.───之前的试验证实这是让人们“假想”自己目前处于这样一个位置的有效方法。

'Previous research has shown that these features are among the most attractive male physical characteristics, as judged by women, ' he said.───之前的研究表明，女性认为，这些体征被认为是最具吸引力的男性体征。

Previous research shows that when people are in a ruminating mode, they are more likely to be depressed, he said.───他说，先前的研究表明，当人们开始沉思时，他们更可能消沉。

Previous research had suggested that this part of the brain (which regulates emotion) is an important centre of religious activity.───前期研究已经提示大脑调控情感的这一部分是一个重要宗教情绪活跃中心。

The new findings seem to run counter to previous research regarding diabetes and caffeine.───该新发现似乎与以前关于糖尿病和咖啡因之间关系的观点有冲突。

Previous research found that the painful parts of unpleasant sounds appear to be in the middle range of audible frequencies.───先前的研究发现，能够引起不快的声音中那些令人痛苦的部分处在可听频率范围的中间。

This in conjunction with previous research would provide a continuous monitoring of the industry from the early sixties.

Most of the previous research into the timing of cord clamping has concentrated on babies born near term.

The article made no reference to previous research on the subject.

A person's previous research experience will obviously determine the level of research which is to be begun.

Previous research has shown that trust is a complex phenomenon and a variety of new measures are needed to capture its complexity.

Previous research has suggested that there may be barriers to particular types of occupation which selectively prevent women from entering them.

There has been very little previous research on autobiographical memory.

Previous research concentrated on the removal of nitrate that was observed when groundwater conditions change from aerobic to anaerobic.

Previous research into the response of domestic energy expenditure to changing prices has concentrated almost entirely on the use of aggregate data.