Because its height is a multiple of 18, the text displayed to the right of the image and the text displayed below the image remain equidistant on the designated baseline.
由于它的高度是18的倍数，因此图像右侧和下方的文本在指定基线上仍然是等距的。
2
Blueprint sets the line height for the entire page to 18 pixels, so every image and variant of text must be a multiple of 18 pixels.
Blueprint将整个页面的线高度设置为18像素，因此每个图像和文本都必须是18像素的倍数。
3
The — yesno option requires at least three arguments: text for the question and the height and width of the dialog box itself, measured in rows and columns.