看来要科普一下。

来源: 于 2023-02-10 16:59:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

https://science.howstuffworks.com/sidewinder8.htm

The WDU-17/B is referred to as an annular blast fragmentation warhead because the explosive force carries the metal fragments outward in all directions, in an annular, or ring-shaped, pattern.