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.

• 我们要讨论的途径是以源自多种领域的观念为基础，也就是电子眼，电子和晶体之间的干扰，弹性理论，晶体缺陷理论和结晶学。