名词
中文翻译：防空装备
同义词：
['air defense system', 'air defense apparatus例句：1. The military has been upgrading its air defense equipment to better protect against enemy missiles.（军队一直在升级其防空设备，以更好地保护免受敌方导弹的攻击。）2. The new air defense equipment has greatly improved the accuracy of our anti-aircraft missiles.（新的防空设备大大提高了我们反飞机导弹的准确度。）']
例句：
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1. The military has been upgrading its air defense equipment to better protect against enemy missiles.
军队一直在升级其防空设备，以更好地保护免受敌方导弹的攻击。
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2. The new air defense equipment has greatly improved the accuracy of our anti-aircraft missiles.
新的防空设备大大提高了我们反飞机导弹的准确度。
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3.The government has invested heavily in developing advanced air defense equipment for national security purposes.
政府已经大量投资于发展先进的防空设备，以实现国家安全目的。