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any established or prescribed method, rule, or procedure used to achieve a desired outcome or result
公式, 方法
a field of science that studies the mind, its functions, and how it affects behavior
心理学
the act or process of gathering evidence or facts of a matter in a scientific and systematic way
调查, 研究
the branch of biology that deals with how individual features and different characteristics are passed through genes
遗传学
the study of how money, goods, and resources are produced, distributed, and used in a country or society
经济学, 经济科学
the scientific study of the physical features of the Earth and its atmosphere, divisions, products, population, etc.
地理
the study of the evolution and structure of language in general or of certain languages
语言学
a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines
工程
the scientific study of living organisms; the science that studies living organisms
生物学
the branch of science that is concerned with studying the structure of substances and the way that they change or combine with each other
化学
the scientific study of matter and energy and the relationships between them, including the study of natural forces such as light, heat, and movement
物理学
