Correct

勘测

/ kāncè / 
Strokes

Definition

to investigate/to survey

Example

As a Verb

survey

1
Dìzhì
地质
kāncè
勘测

geological survey

2
Dìxíng
地形
kāncè
勘测

topographical survey

3
Kāncè
勘测
xiànlù
线路

survey the route

4
Kāncè
勘测
dìxíng
地形

survey the terrain