China's missile might be vulnerable, some experts say, to America's newest Aegis intercept missiles, which are launched from ships. But a different type of countermeasure could be even more effective.

一些专家认为，虽然中国的这种导弹可能很难突破美军从水面战舰发射的最新型宙斯盾反导导弹的拦截，但另一种拦截手段的效果可能更好。

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In 2006, Congress directed the Department of Homeland Security to explore new missile-countermeasure technologies that do not rely solely on infrared technology onboard aircraft.

早在2006年，美国议会指定国土安全部开发新型反导技术，而非只是单独依赖机载红外技术。

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