1. Penetration (weaponry)Strictly speaking penetration occurs when a projectile enters a target without passing through it and perforation occurs when the projectile completely passes through the target, but the word penetration is commonly used to refer to either. Penetration into a semi-infinite or massive target is penetration (in the strict sense of the word) of targets so thick that the level of penetration is not affected by the target's thickness.
Read “Penetration (weaponry)” on English Wikipedia
Read “貫徹力” on Japanese Wikipedia
Read “Penetration (weaponry)” on DBpedia
Read “Penetration (weaponry)” on English Wikipedia
Read “貫徹力” on Japanese Wikipedia
Read “Penetration (weaponry)” on DBpedia
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