步测用英语怎么说？

步测

• [bù cè]
  （用步幅测量） pacing，pace

例句

• I think the hall is 80 metres long; I'll pace it. 我估计这大厅有80米长; 我来步测一下。
• I pace off the wooden bridge and found it was about 100 feet long. 我步测出那座木桥长约100英尺.
• Step off twenty feet and then place a marker in the ground. 先步测20英尺,再在地上做出标记.