Via the construction of geometric model, calculation formula for the head of worm lathe tool has been deduced, which has simplified calculation program.

通过构建几何模型，推导出蜗杆车刀头部的计算公式，简化了计算程序。

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To general problem of the slab head bending in rolling, the effect of geometric shape coefficient of the deformation zone and entry Angle on head bending is researched.

本文针对中厚板轧制过程中因头部翘曲而影响产品质量和产量这一生产中普遍存在的问题，研究了变形区几何形状系数和送入角变化对轧件头部翘曲的影响。

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In the paper, we introduce the choice and calculation of the geometric parameter of the head and the parameter of optical system.

本文着重论述了测量头几何参数和光学系统参数的选择和计算。

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On his academic blog, Goodacre explains that it was common for the bases of funerary monuments (which, he believes, this part of the engraving depicts, instead of a fish's head) to be decorated with geometric designs, which could easily be represented with the lines in the image.

MSN: Christian inscription? Or random squiggles? - Technology & science - Science - LiveScience | NBC News