Image-processing algorithms were formulated for image registration. These were used to determine displacement mapping and then surface strains.

在该装置中图像配准的处理算法以公式表示，应用这些算法可以确定位移图和表面应变。

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It uses a clever linking technology to hook together a diphtheria protein to sugars from the surface of seven pneumococcal strains.

FORBES: Booster Shot

Arrayed against the interventionists were many high-ranking military officers and the America First movement, whose anti-Semitic strains came to the surface in a Lindbergh speech that left him discredited among many Americans who once glorified him.

NPR: Book Tells Of Fight Over Intervention

But here, too, Mr Marquand detects American strains of radical individualism beneath the surface.

ECONOMIST: British politics