在人类对客观世界的认识中，宏观领域是指以人的肉眼可见的最小物体开始为下限，上至无限大的宇宙天体；微观领域是以分子原子为最大起点，下至无限小的领域；而处于这两者之间的领域即介观领域。在这个从微观世界向宏观世界跃迁的范围中所发生的活动，１～１００nm尺度的事物 In the cognition of human being to the objective world, the macroscopic field refers to the celestial celestial body starting from the smallest human visible object to the infinite celestial body; the microscopic field is the field starting from the molecular atom to the infinitesimal small field; The area between these two is the mesoscopic field. What happens in this transition from the microcosm to the macrocosm, things in the scale of 1 to 100 nm