The root cause of this undesirable phenomenon is that the extension of the strip edge area is out of the elasticity limit of the material.

引起鼓包最根本的原因是带钢边缘延伸超出了该材料的弹性极限范围。

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The relative longitudinal strain between the strip edge and strip center is very small in the whole deformed zone, which can prevent appearing crinkling and bloating.

在整个变形区内板带边缘和中心的纵向相对应变较小，可以防止边缘出现起皱、鼓包。

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Flexibility is good: no sharp edge of the strip, the safe operation.

柔韧性好：无钢带的锋利边缘，操作安全。

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And developers,logging companies, and strip-mine operators on the edge of the swamp can easily upset the delicate balance of nature in the area.

VOA: standard.2010.03.29

The R830 looks the same, though it has a strip on the edge of the lid that looks like it's made of magnesium alloy, but is actually plastic -- a material that's expected to improve the signals of the the various antennae housed underneath it.

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He turns from a canvas (its edge a thin strip at the right) and gazes out, surely into a mirror.

NEWYORKER: Art

The so-called Coverboard attaches to the tablet magnetically, and the grayish magnetic strip that runs along the edge of the cover matches the silver bezel surrounding the 10.1-inch display.

ENGADGET: Archos 101 XS review: a tablet that puts the keyboard center stage