GRE Math Review 1 Arithmetic

For the notation nm, the subscript m indicates the amount of translation after (or before) a rotation of 2 /n, according to the relation: ... located at the lattice points or at some distance from it. Referred to the cell origin, its position is given by the fractional coordinates (x, y, z). For example, in Figure 1.16, atoms, if … ................
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