The escapement vector is parallel to the base line of a row of text. 行距向量与文本行的基线平行。
Word line spacing should be greater than the spacing between characters, otherwise the viewer's gaze is hard to follow the direction and the reading order. 字的行距答大于字的间距,否则观众的视线难以按必定的标的纲的和挨次举行浏览。