测定

The Chinese word "测定" is composed of two characters: "测" and "定". The character "测" means "to measure" or "to estimate", while the character "定" means "to determine" or "to fix". Together, the two characters form the word "测定", which means "to measure and determine" or "to ascertain".The word "测定" is often used in scientific and technical contexts to refer to the process of measuring and determining the value of a physical quantity. For example, it can be used to refer to the process of measuring the temperature of a room or the weight of an object. It can also be used in a more general sense to refer to the process of determining the value of something, such as the value of a company's stock or the value of a person's intelligence.The word "测定" is a versatile word that can be used in a variety of contexts. It is an important word for HSK learners to know, as it is used frequently in both written and spoken Chinese.