| 1. | Somewhere in remote distance a rocket bomb thundered . 远处不知什么地方爆发了一颗火箭弹。
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| 2. | Somewhere far away a rocket bomb exploded with a dull, reverberating roar . 远处什么地方爆炸了一枚火箭弹,炸声沉闷震耳。
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| 3. | The result is among the best ones in our country . and it provides reliable gist for analyzing the dynamic parameter of rocket bomb 结果表明,测量的相对误差小于1 ,达到国内先进水平,为分析航弹动态参数,提供了可靠的依据。
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| 4. | The $ 3 stamp illustrates the use of gunpowder , invented over 1000 years ago , in festivities and in battles - firecrackers for celebration against winged rocket bomb and assault barrow for attack 点缀升平,有爆竹烟火;迎战克敌,有神火飞鸦和驾火战车。背景文字记述配制火药的方子。火药发明至今已有1000多年。
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| 5. | In order to improve the technology level of testing static parameter of rocket bomb and increase its hit ratio , this paper describes in detail the measuring system of the moment of inertia of rocket bomb , the designing principle and realizing method 为了提高我国航弹静态参数测试的技术水平,增强航弹命中率,本文详细论述了航弹极转动惯量测量系统的设计原理及实现方法。
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