月球激光测距实验是一项通过激光进行地月距离的科学测量。它的原理是将具有高度同向性脉冲激光束射向人工放置在月球表面的角反射镜，利用角反射镜的特殊光路性质，通过发送接收时间差计算出地月距离。
文章还介绍了其它新技术，如，与SLR原理相类似的月球激光测距和最有前途的全球定位系统。
The paper also gives a brief account of other new technologies, such as Lunar Laser Ranging similar to the tenet of SLR and Global Positioning System with a bright future.
卫星激光合怍目标技术是卫星激光测距系统的重要组成部分，广泛应用于导弹、人造卫星和月球等激光测距系统中，是实现高精度测距和精密定轨的关键技术。
Laser cooperative targets is an important instrument of satellite laser ranging system, and has been applied widely in laser range system of missiles, man-made satellite and moon, etc.
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