1) digital magnetic declination model
磁偏角数字模型
1.
It is indicated by experiments that computing MMD by using digital magnetic declination model and digital model of annual change is feasible.
实验表明 ,用地磁图建立磁偏角数字模型和年变率数字模型进行图幅磁偏角的自动计算是可行
2) model of swivel angle/digital converter
轴角/数字转换模型
3) triangular DTM
三角网数字地面模型
4) The geomagnetic deelination model
地磁偏角模式
6) Numerical model
数字模型
1.
The paper ex-plores the development of three-dimensional numerical model for river diversion during construction,the creation of a related model of the three-dimensional visual simulation and application of the method of three-dimensional dynamic display to have realized mutual operation,visual inquiry and space analysis.
阐述了基于GIS的三维动态可视化图形仿真方法,探讨了施工导流三维数字模型的构造技术,建立了施工导流过程三维可视化仿真模型,运用三维动态演示方法实现了三维数字模型的动态显示、交互操作、可视化查询、空间分析,研发了施工导流全过程的动态可视化仿真系统。
2.
The program use Variables and functions of authoware to control the wave-length and amplitude ,Designed the transverse wave numerical model successfully.
程序利用Authoware的变量和函数对横波波长和振幅进行控制,实现了横波数字模型的设计。
补充资料：磁偏角
| 磁偏角 geomagnetic declination 地球表面任一点的磁子午圈同地理子午圈的夹角。因指南针、磁罗盘是测定磁偏角最简单的装置，所以磁偏角的发现和测定的历史也很早。1702年，英国E.哈雷发表了第一幅大西洋磁偏角等值线图。根据规定，磁针指北极N向东偏则磁偏角为正，向西偏则磁偏角为负。
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参考词条