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1.The locking diode is used to secure the door when it's closed.
锁定二极管用于当门关闭时锁定它。
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2.The locking diode prevents unauthorized access to the system.
锁定二极管防止未经授权访问系统。
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3. The locking diode is a crucial component in many security systems.
锁定二极管是许多安全系统中的关键组件。