词条 | Defense line |
释义 |
Defense line or fortification line is a geographically-recognizable line of troops and armament, fortified and set up to protect a high-value location during an armed conflict. A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as trenches; and more permanent fortifications such as fortresses and bunkers. List of defense linesSome notable defense lines include:
See also
References{{commonscat|Linear fortifications}}{{mil-stub}} 1 : Fortification lines |
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