“tactical air navigation system”的概念、定义、翻译、参考文献-科学参考

单词	tactical air navigation system
释义	tactical air navigation system Encyclopedia 工学复合无线电导航释 tactical air navigation system; TACAN塔康系统由美军研发，采用相位式旋转天线方向图法测角原理和询问/回答式双程脉冲测距原理，能够同时为飞机提供方位、距离信息实现单台定位的军用航空近程无线电导航系统。
随便看	almost certainly convergent almost closed almost closed mapping almost closed set almost complementary almost complex almost complex curve almost complex manifold almost complex structure almost conformal mapping almost contact manifold almost contact structure almost continuous function almost convergent sequence almost convex subset almost cyclic group almost degenerate amplifier almost direct product group almost disjoint sets almost equivalent almost everywhere almost everywhere continuous almost everywhere convergence almost everywhere convergent almost everywhere divergence

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。