The vacuum filled with Ether particles, when the force reached a balance Ether particles form "Ideal vacuum" as the structure of diamond.

真空中充满了以太粒子，当以太粒子达到受力平衡时形成了具有金刚石结构的理想真空。

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In this paper, the influence of diamond tool sharpness on machined surface quality was studied from the viewpoints of the cutting force, surface roughness and residual stress.

本文从切削力、表面粗糙度、表面残余应力几个方面，研究了金刚石刀具刃口修锐度对切削表面质量的影响。

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On the basis of that the diamonds distribute in the impregnated bit homogeneously, the article calculates the cutting depth and the normal force on the protrusion diamond on the crown.

本文以金刚石在孕镶钻头中均匀分布为基础，从理论上推导出唇面径向不同位置的金刚石切深、受力。

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Topped with a crown made entirely from sugar, the cake reflects the Silver, Gold and Diamond Jubilees, the Royal Navy, the Army and Royal Air Force.

BBC: Diamond Jubilee cake baked for Queen

The tax created a cheap labor force for the whites who owned the coal mines and the diamond mines and the mills.

NPR: One Boy's Heroism in the Face of AIDS

It has the penetrative force of a piece of heavy industrial equipment, something with a diamond bit or tempered-steel blades.

NEWYORKER: Magda Mandela