Register-true is a typography term that is used in printing. This term refers to the congruent imprint of the lines within a type area on the front and the back side of book pages, newspaper pages and magazine pages. The register-true feature make these pages easier to read by preventing grey shadows from shining through between the lines of text.
正反页的行距相等是一个印刷版式术语。对此可理解为在书籍、杂志和报纸的正面和反面版面上的各行相等一致。正反页的行距相等功能可防止在行之间出现灰色阴影，使得阅读更加顺畅。正反页行距相等是指在相邻的文本列中的行高一致。