triangulation
/traɪˌæŋgjʊˈleɪʃən/noun
mass noun
1
- (in surveying) the tracing and measurement of a series or network of triangles in order to determine the distances and relative positions of points spread over a territory or region, especially by measuring the length of one side of each triangle and deducing its angles and the length of the other two sides by observation from this baseline（测绘用语）三角测量（法）。
2
- formation of or division into triangles三角形划分。
3
- chiefly US (in politics) the action or process of positioning oneself in such a way as to appeal to or appease both left-wing and right-wing standpoints〈主美〉（政治用语）在左右两翼之间做平衡的努力, 力图左右逢源之举, 两面讨好之举。