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tri·an·gu·la·tion AHD[trī-ăng'gyə-lāʹshən] D.J.[traɪˌæŋgjəˈleɪʃən]K.K.[traɪˌæŋgjəˈleʃən]n.（名词）- A surveying technique in which a region is divided into a series of triangular elements based on a line of known length so that accurate measurements of distances and directions may be made by the application of trigonometry.三角测量法：一种测量技术，通过将某一地区分成许多三角形，这些三角形是以一条已知长度的线为底，由此可通过使用平面直角三角形计算工具精确地测量距离和方向
- The network of triangles so laid out.三角系（或网）：做三角测量时划定的三角形构成的网络
- The location of an unknown point, as in navigation, by the formation of a triangle having the unknown point and two known points as the vertices.三角测量：通过以分别作（顶点）的两个已知点和一个未知点形成一个三角形，来求出或定位该未知点，如在航海中
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