Assertion: triangulation's point | /r/HasProperty | intervisible
Facets:
Source sentences:
text: The known points can be either intervisible or nonintervisible.
text: The known points can be either intervisible or nonintervisible.
text: If the points are intervisible (Figure 6-13), measure a horizontal angle from each point to the unknown point, using the other point as the rear station.
text: If the points are nonintervisible (Figure 6-14), do the procedure below.