如果移动尺寸柄时按住shift键，则图像编辑器将缩小或拉伸图像。
IF you hold down the SHIFT key as you move a sizing handle, the image editor shrinks or stretches the image.
在这个距离，恒星的光源光被折射，或拉伸成红外波长，在外层空间只有斯皮策太空望远镜才能观测到。
At this distance the optical light from stars is shifted, or stretched, to infrared wavelengths that can only be observed in outer space by Spitzer.
弯曲试验有着能比较容易地探测变形的优点，缺点是应力状态不象压缩或拉伸试验那样简单。
A bending test has a merit that detection of deformation is relatively easy and a demerit that a stress state is not simple as compared with a compression or tension test.
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