peak base

• 峰基线

peak base的用法和样例：

例句

1. The base line can be set out as a single or double chain.
   基线可作为一条单链系或双链系。
2. The line spacing is the vertical distance between the base lines of two consecutive lines of text.
   行距是两个连续文本行的基线之间的垂直距离。