Based on analyzing the scattering rules of hitting point of ship-to-air missile against aerial target, mathematic model of hitting probability of single missile is given.

基于防空导弹战斗部爆炸后的杀伤特征，对战斗部爆炸后产生的有效破片、破片飞行速度、破片对目标的覆盖面积进行了分析，建立了防空导弹杀伤概率评估模型。

youdao

Provisions available in local shops have to be flown into Nunavut on one of the most costly air networks in the world, or brought by supply ship during the few ice-free weeks of summer.

当地商店里的供应品必须通过世界上最贵的航空网路之一空运到努勒维特，或者在夏季中少数几个无冰周里通过补给船来购买。

youdao

Although the cost of shipping goods from Nanjing and other mainland airports has fallen dramatically, high fuel prices continue to make it more attractive to ship large cargo by sea rather than air.

尽管从南京及其它内地机场运输货物的费用大幅下降，但燃料价格居高不下，继续使得通过船舶运输大型货物比空运更具吸引力。

youdao

Washington could rely on ship-to-air and air-to-air missiles, but they would be less effective against low-flying craft.

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These include: eight sophisticated diesel submarines, advanced SU-30 fighter aircraft, modern air-to-air and air-to-surface weapons, supersonic anti-ship cruise missiles and as many as 350 short- and medium-range ballistic missiles.

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The 7, 350-tonne ship is designed to provide air defence cover.

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