| 单词 | radial velocity |
| 释义 | radial velocity (once / 246236 pages) n WORD FAMILY radial velocity: radial velocities USAGE EXAMPLESBy using a complex mathematical method called radial velocity, they witnessed the planet’s gravitational effect on its star and deduced that it must be there. New York Times(Dec 07, 2016) One eagerly anticipated measurement is the radial velocity of stars. BBC(Sep 14, 2016) They actually found this planet using another technique called the radial velocity method. The Verge(Aug 25, 2016) n velocity along the line of sight toward or away from the observer Hyper speed, velocity distance travelled per unit time |
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