几何约束(形状和体积)无疑影响到设备的设计决策，如手机；每一代新产品都在曾经较小的表格中塞入了更多的功能。
Geometric constraints (shape and volume) clearly affect design decisions for devices like cell phones; each new product generation has packed more function into ever smaller forms.
本文获得了一类关于度量加单形的体积和外接超球半径的几何不等式，作为其应用，给出了一些重要的推论。
Some geometric inequalities on metric addition simplex which volume and radius of circumscribed sphere are obtained. As its application, some important corollaries are given.
电阻率的测量方法是测量电阻，然后再考虑几何因素将其变换成表面电阻率或体积电阻率。
Resistivity is determined by measuring resistance, then converting to surface or volume resistivity by taking geometric considerations into account.
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