《熬波图》的一考察［日］吉田寅著刘淼译序宋、元时代．由于盐专卖收入在国家财政中占主要部分，所以该时代的经济资料中，有关盐业关系的资料也就非常之多。不过，这些资料大多是以解决财政问题为主题。至于盐业基础构造特别是制盐技术和盐场生产构造的资料却不多。但是... A study of “boil wave map” [day] Yoshida Yin translated by Liu Miao Song and Yuan Dynasties. Since monopoly income of salt accounts for the major part of state finances, the data on the relations between the salt industry and the economic information of this era are also very much. However, most of these materials are focused on solving the financial problems. As for the basic structure of the salt industry, especially salt production technology and salt production structure is not much information. but...