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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Explosion field of FAE are divided into three zones: cloud zone, boundary zone and shock wave zone.

FAE爆炸场划分为云雾爆轰区、边缘区和冲击波作用区。

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"If the Wright brothers were starting out today they'd never get off the ground, " fumes Ky Michaelson, who spent two years dickering with bureaucrats at an offshoot of the FAA to get a license to launch to 390, 000 feet, well past the boundary zone between the Earth's atmosphere and space.

FORBES: "Let's Punch A Hole In the Sky"

Pay is considered to be reasonable if it is below the upper boundary of the Alignment Zone, as shown in the chart.

FORBES: CEO Pay: When Highly Paid Is Not Overpaid

Instead of occurring at a plate boundary along an area called a subduction zone, where one tectonic plate is diving beneath another, this earthquake occurred in the middle of an oceanic plate, where the faults in the crust essentially moved from side to side instead of up and down.

MSN: Why this Indonesia quake didn't spark a monster tsunami