| 摘要 |
<p>The invention relates to a projectile with reduced head resistance, which can travel through the air or water and is meant for defence. According to the invention, the projectile comprises a front zone, a cylindrical zone and a rear zone, respectively (A, B and C) and along a longitudinal section about a meridian plane (Oxro) containing the projectile symmetry axis (Ox), the radius (ro) has the inflexion point x1 and values ranging between 0 and R, while in the rear zone (C), it has the inflexion point x4 and values ranging between R and 0.</p> |
