The basic form of this crystal is a rhomb . 此类晶体的基本形状为一菱面体。
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This would be a bit more obvious if we cut the rhomb to have edge of equal axis . 若把斜方体的棱都切成等长，就可以看得更清楚。
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two opposite corners of this rhomb contain three obtuse angles of 101°55'. 菱面体的两个对顶包含着三个10155'的钝角。
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Detail specification of metal rhomb package for semiconductor integrated circuits 半导体集成电路金属菱形外壳详细规范
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We analyze the influences of the perturbed energy - level space and superposion , laser power and intermediate level offset on quantum interference . experimentally , in the sodium dimmer rhomb - type four - level system with a pair of perturbed levels , the interference enhancement of two - photon absorption caused by coherent superposition of the perturbed levels is experimentally observed 分析了微扰能级的间隔和叠加程度、激光功率以及中间能级的失谐对量子干涉效应的影响，实验上观察了包含有一对微扰叠加中间能级的菱形四能级系统中的双光子激发现象，发现微扰能级的相干叠加可增强双光子吸收。
