Current weak EP test comes to 10-13 by the rotating torsion balance and Lunarlaserranging methods.
地面旋转扭秤法和地月测距方法在10 - 13精度内验证弱等效原理依然成立。
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The paper also gives a brief account of other new technologies, such as LunarLaserRanging similar to the tenet of SLR and Global Positioning System with a bright future.