L15_A
修正講義錯誤(少N^2) fourier transform
修正講義錯誤(少N^2) fourier transform
        (a)slit function
        (b)periodic array
        (c)arbitrary position function
L15_B  
1. Reciprocal lattice-cubic system
1. Reciprocal lattice-cubic system
        2.orthornormal set
        3.orthorhombic and tetragonal and cubic system
L15_C
1.reciprocal lattice vector
1.reciprocal lattice vector
        2.plane(hkl)
        3.the reciprocal vector of different structure
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