例句與造句

1. The maximum velocity is independent of the projectile mass and barrel diameter.
2. The centripetal force experienced by the projectile is the accelerating force, and is proportional to the projectile mass.
3. It also follows that, for railguns with projectile masses of a few kg and barrel lengths of a few m, very large currents will be required to accelerate projectiles to velocities of the order of 1000 m / s.
4. The mass of the firearm ( m _ f ) is generally much greater than the projectile mass ( m _ p ) which means that most of the kinetic energy produced by the firing of the firearm is given to the projectile.
5. Challenging and corresponding to a magnitude of capital investment that few entities could readily fund, gigantic coilguns with projectile mass and velocity on the scale of gigajoules of kinetic energy ( as opposed to megajoules or less ) have not been developed so far, but such have been proposed as launchers from the Moon or from Earth:
6. It's difficult to find projectile mass in a sentence. 用projectile mass造句挺難的
7. While the armament of four 23 mm NS-23 cannon represented a leap over the La-7 with three 20 mm Berezin B-20 ( projectile mass from a one-second burst had increased from 3.1 kg ( 6.8 lb ) on La-7 to 6 kg ( 13.2 lb ) on La-126 ), there was no significant improvement in performance.
8. The J-6 remained a staple of the Chinese People's Liberation Army Air Force until the 1980s and has also been developed into the Nanchang Q-5 ( NATO reporting name " "'Fantan "'" ) attack aircraft . Despite its age, the MiG-19 and its descendants exhibit good handling characteristics at low altitude and a surprisingly high rate of climb, and their heavy cannon armament, ( a one-second burst from three Nudelman-Rikhter NR-30 cannon had a total projectile mass of making the MiG-19 a formidable adversary in close combat.