fdn meaning in English
固定拨打电话
Examples
- The author puts forward the concept of fdn , and analyzes its scope and characteristics . 2
提出飞行力学导航法的概念，并分析了其适用范围和特点。 - Fdn uses the software ( em - equations of motion ) to improve the navigation function of the original system , without any other navigation hardware
飞行力学导航法是一种在不增加硬件设备的情况下，单纯用软件(运动方程)明显改善原导航系统性能的导航方案。 - The design of fdn scheme and research of loading of digital map are given in this thesis , which have certain innovation merit and instructive meaning for engineering application
本文完成了飞行力学导航方案的设计和数字地图加载的研究，具有一定的创新性和应用价值。 - The principle of loading of digital map in the terrain auxiliary navigation is studied . it is concluded that fdn plays an auxiliary role in the process of loading of digital map
研究了地形辅助导航中数字地图的加载原理及飞行力学导航法在数字地图加载过程中的辅助作用。 - Though act - fdn is not the best admixture used to reduce slump loss , it ' s still a practicable method , for its obvious effect , stable production technology and low cost
Act - fdn虽然抑制坍落度损失的效果尚未达到最优，但为由于生产工艺变动小，效果明显，成本较低，应该是一种可行的技术路线。