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1. The development of new weapons has been a major focus in recent years.
近年来，新型武器的发展一直是主要关注点。
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2. The advancements in technology have greatly improved the efficiency of weapon development.
技术进步极大地提高了武器开发的效率。
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3. The company is investing heavily in research and development to support the continued progress of weapon development.
该公司正在大力投资研究和开发，以支持武器开发的持续进步。