strain at

基本解释

As a result, it has long been theorized that a person could be sickened with more than one cold strain at the same time.
因此，一直以來理論上認爲，一個人可能在同一時間感染上不衹一種感冒病株的。
On top of that, if an animal or human is infected with more than one strain at the same time, those strains may swap genes.
更嚴峻的是，儅動物或人同時感染兩種以上的病毒時，這些病毒會發生基因互換。
This technique, patented by CNRS in September 2007, will in all likelihood become the leading method for measuring crystal lattice strain at the nanometer scale.
該方法已於2007年9月被CNRS申請了專利，極可能成爲將來納米尺度下用來測量晶格形變的首選方法。

(Speaking) But a study at the University of California Berkeley found that 3-D movies can cause eye strain.
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.
現在有個問題,我們考慮要把能量降到最低，所以環上有許多應力。
麻省理工公開課 - 化學原理課程節選
The official number is secret, but news reports say the general wants about The request is controversial, not least because with the U.S.troop level in Iraq expected to remain around its current 120,000 for at least several more months, the strain on the U.S.Army is considerable.

To date, no such changes have been detected, but Dr Freund argues that the strain gauges deployed at the moment are too near the surface to pick up shifts that happen at the depths where earthquakes occur.
ECONOMIST: Predicting earthquakes