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速度衰减
1、muzzle velocity───初速；出口速度；初速度（弹出膛时的速度）
2、attenuation correction───[医]衰减校正
3、attenuation definition───衰减定义
4、attenuation bias───衰减偏误
5、velocity───n.【物】速度
6、velocity profile───速度剖面（图），速度分布图，速度变化图
7、constant velocity───常速度，等速度; 恒速；匀速；等速度；恒速度
8、angular velocity───[力]角速度
9、attenuation───n.[物]衰减；变薄；稀释
1、After measuring the velocities of many fragments and the flying Angle, the coefficient of velocity attenuation can be calculated.───可以通过测量多个破片的飞行速度与飞行姿态角，推导出速度衰减系数。
2、By combining theory analysis with test measurement, the velocity attenuation regularity of projectile fragments was discussed.───采用理论分析和试验测试相结合的方法，对弹丸破片的速度衰减规律进行了研究。
3、Preliminary Exploration of the Velocity Attenuation Equation Form of Blast Vibration───爆破震动速度衰减方程形式初探
4、The experimental date is fitted by least square method and by derivation the velocity attenuation curve of the shock wave is got.───对实验数据使用最小二乘法拟合，并对相应曲线求导，得出冲击波速度随传输距离的衰减变化情况。
5、Optimization selection of blasting vibration velocity attenuation formulas───爆破振动速度衰减公式的优化选择
6、Velocity Attenuation Regularity of Projectile Fragments───弹丸破片速度衰减规律研究
7、initial cavity, ballistic trajectory and velocity attenuation of the sphere pellets are similar at different water-entry angles and initial velocities.───在一定的入水角与速度范围内，球形弹丸入水初期弹道的空泡特性、弹道轨迹以及速度衰减规律具有一定的相似性。
1、It is found that the star_shaped nozzle jet has a shorter initial section and slower velocity attenuation along the jet centerline in the main region than the round nozzle jet.
2、After measuring the velocities of many fragments and the flying angle, the coefficient of velocity attenuation can be calculated.