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1.The backup radar system is designed to detect and respond to potential threats.
备份雷达系统旨在探测和应对潜在威胁。
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2. The backup radar system was used during the emergency response team's training exercise.
在紧急响应团队的培训演习中，使用了备份雷达系统。
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3. The backup radar system is crucial for maintaining a safe distance from potential hazards.
备份雷达系统对于保持与潜在危险源的安全距离至关重要。