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1. The watch mechanismis responsible for keeping time and displayingthe current time on the watch face.
手表的机械结构负责保持时间并在表盘上显示当前时间。
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2. The engineers are working on anew watch mechanism that will improveaccuracy and durability.
工程师们正在研发一种新的手表机械结构，以提高准确性和耐用性。
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3. The security system uses a watch mechanismto monitor and track the movements of individualsin the building.
安全系统使用一种观察机制来监控和跟踪建筑物内人员的行动。