请输入您要查询的字词:
单词
Lunar Laser Ranging
释义
Lunar Laser Ranging
Encyclopedia
理学
激光测卫
释
Lunar Laser Ranging
月球激光测距
地面测站上的发射望远镜向月球发射脉冲激光,经过月球表面上的光学四面体棱镜即后向反射器的反射,激光回波沿原路径返回到达地面上的接收望远镜,通过测定激光往返所需的时间,乘以光速便得到地月之间的距离的技术。简称LLR。
随便看
symmetric operator
symmetric orthogonalization process
symmetric pair
symmetric part
symmetric points
symmetric polarity
symmetric polynomial
symmetric positive system
symmetric potential
symmetric power
symmetric product
symmetric quadratic form
symmetric quartic graph
symmetric quasigroup
symmetric quintic graph
symmetric random walk
symmetric relation
symmetric relationship
symmetric representation
symmetric Riemannian manifold
symmetric Riemannian space
symmetric ring
symmetric sampling
symmetric semigroup
symmetric set
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/27 4:53:03