Our final sed example uses the = command to print line numbers and then filter the resulting output through sed again to mimic the effect of the nl command to number lines.
最后一个sed示例使用 =命令输出行号，然后再次使用 sed过滤生成的输出，以模拟使用nl 命令对行进行编号的效果。
Through the analysis of karst geological conditions of Guangzhou metro Nos. 2, 3, 5 and 6 number lines, the method and measures were proposed for metro survey and design.
通过对广州地铁2、3、5、6号线经过地段的隐伏岩溶区地质条件的分析，提出地铁勘察、设计的方法和措施。
Through the analysis of karst geological conditions of Guangzhou metro Nos. 2, 3, 5 and 6 number lines, the method and measures were proposed for metro survey and design.
通过对广州地铁2、3、5、6号线经过地段的隐伏岩溶区地质条件的分析，提出地铁勘察、设计的方法和措施。
应用推荐