Definition

Examples

• 在几何中，射影是一个重要的概念。
  Zài jǐhé zhōng, shè yǐng shì yí gè zhòngyào de gàiniàn.
  In geometry, projection is an important concept.
• 弗洛伊德提出了心理射影的概念。
  Fúluòyīdé tíchū le xīnlǐ shè yǐng de gàiniàn.
  Freud proposed the concept of psychological projection.
• 这个射影定理在数学中很有用。
  Zhège shè yǐng dìnglǐ zài shùxué zhōng hěn yǒuyòng.
  This projection theorem is very useful in mathematics.