释义 |
DictionarySeegravitystandard gravity
standard gravity[′stan·dərd ′grav·əd·ē] (mechanics) A value of the acceleration of gravity equal to 9.80665 meters per second per second. standard gravity
gravity [grav´ĭ-te] 1. the phenomenon by which two bodies having mass are attracted to each other.2. the gravitational attraction near a large body having mass, particularly near or on the surface of a planet or star.specific gravity see specific gravity.standard gravity (€g) the acceleration due to gravity at mean sea level, 9.80616 meters per second squared. |