作为强制性节约的一部分，公司将在2008年后永久的收缩战略，那时将会是该公司三十年来开新店速度最慢的时期。
As part of the belt-tightening, the company will permanently scale back plans for expansion after 2008, when it will open new stores at the slowest rate in its 30-year history.
目前没有研究显示为什么大量阅读会导致这一结果，但是由于长时间聚焦近处的物体需要眼部肌肉持续收缩以保证视网膜保持需要的形状，因此这种眼肌的持续收缩状态可能会使眼球受到拉伸，长期如此，其原有形状可能会被永久地改变，从而导致近视产生。
But focusing on close objects involves contraction of muscles controlling the shape of the eye's lens. And one possibility is that "this constant contraction may stretch the eyeball.
经过氦燃烧、收缩、膨胀然后最终再收缩，太阳将会变成一个小残骸，也就是众所周知的白色矮星，从而永久消失。
After a period of burning helium and shrinking and expanding and then finally shrinking again, the Sun will wind up as tiny cinder known as a White Dwarf, fading away for the rest of time.
三峡工程永久船闸地下输水遂洞在洞室浇筑衬砌一段时期内，结构混凝土受到内外温差的影响，因不均匀收缩产生裂缝。
During concrete pouring for the tunnel of underground transmitting water system, the concrete structure was cracked by the difference in temperature inside and outside.
三峡工程永久船闸地下输水遂洞在洞室浇筑衬砌一段时期内，结构混凝土受到内外温差的影响，因不均匀收缩产生裂缝。
During concrete pouring for the tunnel of underground transmitting water system, the concrete structure was cracked by the difference in temperature inside and outside.
应用推荐