名词
中文翻译：外部安全特性
同义词：
['external security feature', 'external safety function']
例句：
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1. The new car has an external safety feature that automatically locks the doors when the car is parked.
这款新车有一个外部安全特性，当车辆停放时会自动锁定车门。
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2. The company's new product line includes an external safety feature that prevents theft.
该公司的新产品线包括一个外部安全特性，可以防止盗窃。
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3. The new software update adds an external safety feature that improves driver safety.
新的软件更新增加了一个外部安全特性，可以提高驾驶安全性。