“踏勘”怎么读

“踏勘”的英语可以翻译为：make an on-the-spot survey，scouting，exploration ...

为确定恰当的普查方法,人们建议踏勘性普查.Orientation survey to establish the most suitable search techniques are recommended.空中测取水面热图是踏勘性研究的一种快速方法.Thermal mapping of the water surface from the air is a fast method for reconnaissance studies...