표본집단

Relating to science or based on the methods and principles of science. Essential for describing research methodology.

To be made up of certain elements or parts. It describes the structure or organization of something.

The state or quality of being stable; the property of not changing or failing easily.

To verify or validate something through investigation, testing, or evidence. It is a key term in scientific research and auditing.

Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines. A major topic in IELTS Environment and Technology sections.

To watch someone or something carefully and attentively over a period of time. This is often done to learn something or discover information.

The process of moving or flowing in a circle or a regular cycle. Commonly used in biology (blood), economics (capital), and ecology (resources).

A response or action that occurs in return to a stimulus, event, or chemical substance.

Causing or capable of causing death; having a very serious or harmful effect.

A connection or relationship between two or more things or people.