Source: Great China Graphic Arts Network
The order of writing between the words in the word line is from left to right, and the order between lines is also the page format from top to bottom, and the connection line that is locked into the book is located on the left side of the book, which is called Western style. Folio or left folio.
The order of writing between the words in the word line is from top to bottom; the order between lines is from right to left page format, and the connection line that is locked into the book is located on the right side of the book, which is called Chinese The folio or right folio is shown below.
The odd number and even number sequence of the Chinese format are on the left and right sides of the page respectively; the odd number and even number sequence of the Western format are on the right and left side of the page, respectively, which is the traditional norm.
The convention of this manuscript: the page number sequence numbers on the page are all marked on the outer side of the core, and the position can be upper or lower, so as to determine the up and down or left and right orientation of the page, that is, upper, lower and inner The orientation of space and outer space.
* The red short line in the picture is the fixed binding line (nail) of the book, and the small picture next to it is a slightly expanded three-dimensional form.
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