Through measuring cylindrical section and surface of gauge block, this system is viable to measure free-form surface and high-reflective metallic surface.

对圆柱正截面和量块表面的测量试验验证了该测量系统对自由曲面和金属强反射表面测量的可行性。

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FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.

具体推导了柱坐标下的有限元列式，并给出了周期对称边界条件的处理方法。

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Based on the modified principle of Complementary energy, a hybrid stress shell element is formulated in the cylindrical coordinate system.

本文基本修正的余能原理，在圆柱座标系内，提出了一种圆柱块杂交应力单元。

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That's where the similarities end -- while the Touchstone is cylindrical and uses a proprietary wireless charging system, the Nexus 4 Wireless Charger is larger, spherical and Qi-compatible.

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