the methods that will be discussed are based on concepts derived from various fields, namely electron optics, the interaction of electrons with crystals, elasticity theory, crystal defect theory and crystallography 我們要討論的途徑是以源自多種領(lǐng)域的觀念為基礎(chǔ),也就是電子眼,電子和晶體之間的干擾,彈性理論,晶體缺陷理論和結(jié)晶學(xué)。