cè / liáng / tǔ / dì / shí / gōng / chéng / shī / yòng / jīng / wěi / yí / què / dìng / gè / gè / diǎn / de / wèi / zhi测量土地时,工程师用经纬仪确定各个点的位置。When surveying the land, the engineers used a theodolite to determine the positions of the various points.