以磁光存储介质为例，从分子环流入手，介绍磁畴形成的微观机制，并结合热磁光存储介质薄膜的制备技术与薄膜的微结构阐述计算机的机器语言二进制的微观本质；即从热磁光存储材料的角度，二进制机器语言中的基本素数“1”和“0”对应于磁光存储薄膜材料中磁畴磁矩的空间取向：向上和向下，或磁畴中总的分子环流的绕行方向：顺时针和逆时针。文章涉及物理学、材料学和计算机科学等3门学科的知识，体现了不同学科的交叉发展，以及物理学是其他现代科学与技术发展的基础性地位。%The microcosmic nature of binary in computer machine language was elaborated with thermo‐magneto‐optic storage medium as an example by combining the microcosmic mechanism of magnetic domain formation ,and the preparative technique and the micro‐struc‐ture of thermo‐magneto‐optic storage films .The binary prime number“1”and“0”in comput‐er machine language is corresponding to the magnetic moment spatial orientation , up and down ,of magnetic domains ,or the circling direction ,clockwise and anticlockwise ,of the re‐sultant molecular circulations in magnetic domains . Three aspects knowledge consisting of physics ,materials science and computer science were involved in this paper ,which indicated the cross development of different subjects ,and the fundamentality of physics to the develop‐ment of other modern sciences and technologies .
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