radius of the earth meaning in English
地球半径
Examples
- For calculating the force of gravity on a satellite, the radius of the earth is irrelevant .
计算地球作用于卫星的重力时，地球的半径是无关紧要的。 - The radius of the sun is about 700 , 000 km , approximately 110 times the radius of the earth . its mass is about 2x10
太阳的半径大约有700 , 000公里是地球的110倍，质量则大约有2x10