The meaning of representation: Representation refers to expressing or displaying the characteristics, nature or state of something in some way.

Representation refers to conveying the characteristics, nature or status of something to others through symbols, language, behavior, etc. It is an abstract concept that represents or reflects the characteristics of something through specific symbols or behaviors. Representation is an important tool for people to communicate and understand the world. It can help people know and understand things better.

Representations are widely used in daily life. For example, people can express their thoughts and feelings through language; artists can use painting, music, dance and other forms to express their emotions and creativity; scientists can reveal the nature and laws of things through experiments and observations.

The word representation first appeared in a chapter of "Zhuangzi: External Objects". Zhuangzi said: "The appearance of objects is very representative," meaning that the appearance of an object is not its true essence, but a a representation. This story tells us that representation is a relative concept, and different people may understand and express things in different ways.

Sentences for characterization

1. This course is about the characterization of solid catalysts and catalytic reactions.

2. Experiments show that streaming potential is a characterization An important parameter for charged reverse osmosis membranes and ultrafiltration membranes.

3. Therefore, the electrochemical performance of nickel hydroxide electrode materials can be characterized by the stacking fault rate.

4. Starting from the relationship between the historical development and evolution of economics and ethics, analyze modern The causes and symptoms of the "impoverishment" phenomenon in economics; also studied the ethical and moral issues of economists.

5. Problem representation is the core and key to problem solving, and has been a hot topic in subject problem solving research in recent years.

6. Its characteristic is that positions and changes are divided into continuous and discrete types to represent continuous variable processes and discrete event processes.

7. The strict discipline, excellent style and good internal unity of the "Qi Jiajun" are important growth points of combat effectiveness; and the good military ethics are the external manifestation of its strong combat effectiveness.

8. According to the correlation between pile-soil load sharing ratio and pile-soil modulus, a certain multiple of the soil modulus is used to characterize the pile modulus, and a composite modulus expression is proposed.

9. Problem representation is an important part of problem solving.

10. This article chooses the office building with the largest construction volume among public buildings as the research object, because office buildings largely characterize the types of other public buildings. To study the energy saving of office buildings Design can draw inferences from one instance to other cases.