field是什么意思英语单词?

编辑:自学文库 时间:2024年03月09日
The word "field" in English can have several meanings depending on the context. 1. In the context of agriculture, a field refers to a piece of land that is used for growing crops or pasturing livestock. It is often the primary location where farming activities take place. 2. In sports, a field is the designated area where the game is played. For example, in football or soccer, the field is a rectangular area marked with boundaries. 3. In mathematics, a field is a set of numbers along with two operations, addition and multiplication, that satisfy certain properties such as closure, associativity, and distributivity. Examples of fields include the set of rational numbers, real numbers, and complex numbers. 4. In computer science, a field usually refers to a specific data element within a data structure or database. For instance, in a database table, each column represents a field where data of a specific type is stored. 5. In physics, a field is a physical quantity that has a value at each point in space and time. Examples include the gravitational field, electric field, and magnetic field. In summary, the word "field" can refer to various concepts such as a piece of land for agriculture, a designated area for sports, a mathematical construct, a data element in computer science, or a physical quantity in physics.