We have a problem here, if we're thinking about keeping things at the lowest energy, so there's a lot of ring strain in the system.

我们这里有个问题，如果我们考虑要把能量降到最低，那么系统中应有很多环张力。

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Each year,scientists work to develop a unique influenza vaccine to protect people against the strain expected in the coming flu season.

VOA: standard.2010.07.21

It was found in strain R, a particular strain of E.coli, and it was the first one found, There's a nomenclature that's evolved for this.

酶被发现于R菌株,大肠杆菌中一种特别的菌株,又是被发现的第一种内切酶,有一种专门为此制定的命名法

耶鲁公开课 - 生物医学工程探索课程节选

So, we have a problem here if we're thinking about keeping things at the lowest energy, so there's a lot of ring strain in the system.

现在有个问题,我们考虑要把能量降到最低，所以环上有许多应力。

麻省理工公开课 - 化学原理课程节选

According to federal prosecutors, from January 2003 until February 2008, Huang was employed as a research scientist at Dow, where in 2005 he became a research leader in strain development related to unique, proprietary organic insecticides marketed worldwide.

FORBES: Chinese Agricultural Researcher Charged Under Economic Espionage Act for Trade Secret Thefts at Dow and Cargilll

One-third of the bacteria in the strain that most commonly causes pneumonia are already resistant to all of the macrolides.

FORBES: Antibiotic Breakthroughs Fall Short

Whether such currents could act as earthquake predictors depends on whether there are changes in the strain on a fault before it slips.

ECONOMIST: Predicting earthquakes