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单词 security system
释义

Definition of security system in English:

security system

noun
  • 1(Especially in Hong Kong) a system whereby a local merchant stands as surety for foreign traders to ensure good conduct and payment of debts (now historical).

  • 2Any system put in place to ensure or maintain the security of a person or thing; specifically an electronic system designed to detect and warn of intruders in a house, building, etc.

Origin

Mid 19th century.

Definition of security system in US English:

security system

noun
  • 1(Especially in Hong Kong) a system whereby a local merchant stands as surety for foreign traders to ensure good conduct and payment of debts (now historical).

  • 2Any system put in place to ensure or maintain the security of a person or thing; specifically an electronic system designed to detect and warn of intruders in a house, building, etc.

Origin

Mid 19th century.

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更新时间:2024/12/27 2:35:19