梯子底部距离墙面的距离约为实际高度的四分之一。
To determine how far the base of the ladder should be placed from the wall, divide the working height by four.
缺省情况下，模板要求表单元的顶部、底部以及左右两边各留有距离为3点的空间。
As a default, the template calls for 3 points of space at the top, bottom, left, and right of the table cell.
即使是距离更遥远的海域也可以通过海洋底部环绕的管道“捆绑回”一个平台。
Even more distant fields can be "tied back" to a platform using pipelines along the sea floor.
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