搜索 - 科创

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那种手机大都具有3"以上的硕大屏幕，四个以上的扬声器和像普通数码相机一样大的摄像头，且大都具有金属机身和超长的待机时间，不过最重要的特征是价格极其低廉，大概只有普通国际品牌的三分之一甚至更低。

4月3日 KNSB试车（换用1.5mm厚铝管，实现塑料机到金属机的飞跃），测得推力30N，首次实现高装药量成功试车。4月10日进行RAP-669的开放燃烧。

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