生存

Empirical proof or evidence; knowledge or verification based on observation and experiment rather than theory.

To cover part of the same area of space or time; to overlap. It can be used for physical objects or abstract concepts like schedules or roles.

The rate at which something occurs or is repeated over a particular period of time. It is used in both scientific and everyday contexts.

To arrange a group of people or things in classes or categories according to shared qualities or characteristics.

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

To prove that something is true or accurate by testing, examining, or using evidence.

To prove that something is true by providing evidence or factual data. This is a crucial step in the scientific method and journalistic integrity.

To produce, bring about, or give rise to something (often abstract, like an effect, a feeling, or a problem).

To become aware of something that already exists but was unknown, or to see or find something for the first time.

The degree of compactness of a substance; the quantity of people or things in a given area.