The relationship between Killing zone boundary and defense efficiency is expounded from the point of view of covering protected object capability by air-defense missile and its shift of fire.

从地空导弹对所保卫目标的掩护能力、火力转移能力等方面，论述杀伤区远界与防卫效率的关系。

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In your final question, you asked whether I will work to ensure that this capability is protected in any landmine treaty the U.S. signs.

CENTERFORSECURITYPOLICY: Letter to the Honorable James M. Inhofe