pixel size的用法和樣例：
例句
- The returned value can be derived from the assumed character size and actual screen pixel size.
返回值可從設定的字符大小和實(shí)際屏幕像素大小推出。 - Both attributes accept either a numeric value, indicating an absolute size in pixels, or a percentage, indicating the size as a percentage of the browser window height and width.
這兩個(gè)屬性的值可以是數字，表示絕對像素大小，也可以是百分比，表示相對于瀏覽器窗口高度和寬度的百分比大小。
