汉字与多数拼音文字不同,字的结构不是单一的左右方式,而是左右上下内外多种方式,几个部件紧缩在一个方块内,故有方块字之称。这种方块体制使汉字在功能方面具有如下特点: 一、信息密度大:构成汉字的偏旁有的适宜左右排列(如亻、氵、扌、木等),有的适宜上下排列(如宀、宀、艹、竹等),有的适宜内外排列(如囗、辶、门、广、等)。汉字因字制宜,采取多种方式排列,因而字形紧凑,信息密度大。大 Chinese characters and most Pinyin different words, the word structure is not a single left and right approach, but about a variety of ways up and down inside and outside, several components tightened in a square, it is called the square word. This square system makes Chinese characters have the following features: First, the information density: the composition of Chinese characters are suitable for the left and right (such as 亻, 氵, 扌, wood, etc.), and some suitable up and down (such as 宀, 宀, 艹, bamboo, etc.), some suitable for internal and external arrangement (such as 囗, 辶, door, wide, etc.). Chinese characters due to the word system should be arranged in a variety of ways, so the font is compact, information density. Big