مقياس عياني: الفرق بين النسختين

*Reif, F. (1965). Fundamentals of Statistical and Thermal Physics (International student edition. ed.). Boston: McGraw-Hill. p.  2. [[ISBN]] [https://en.wikipedia.org/wiki/Special:BookSources/007-051800-9 007-051800-9]. we shall call a system "macroscopic" (i.e., "large scale") when it is large enough to be visible in the ordinary sense (say greater than 1 micron, so that it can at least be observed with a microscope using ordinary light).