系统

To recognize or identify something or someone based on specific characteristics or data. It is commonly used in discussions about technology, biology, and security.

To create or improve something (software, products, or resources); to exploit natural resources.

A connection between two things; commonly refers to a hyperlink on the internet, but can also mean a logical or physical link.

The science and technology of travel beyond Earth's atmosphere into outer space.

Sensitive or agile. It describes devices that react quickly to small changes (like sensors) or living beings with sharp senses.

Thorough, meticulous, and careful; leaving no detail unconsidered. It is often used to describe plans, arrangements, or logical reasoning.

The process of making something known to or available to all people; the act of popularizing something.

A malfunction or technical failure in a machine, system, or electronic device.

Short for '环境保护' (environmental protection). It refers to activities and policies aimed at protecting the natural world.

An extra document, file, or piece of equipment that is sent along with a main letter, email, or device. Essential for digital literacy and office communication.