| 释义 |
DEFINITIVE EXAMPLES 权威例句〔force〕Physics A vector quantity that tends to produce an acceleration of a body in the direction of its application.【物理学】 力:一个矢量,它可使受力物体沿力的方向产生加速度美国传统〔velocity〕Abbr. VPhysics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.缩写 V【物理学】 速度:一种向量,其量值为物体的速率,其方向为物体运动的方向美国传统 |