什么是 capping?
什么是 capping?
- Present participle of cap.
- The act of removing one's hat as a token of respect.
- rock that overlies a mineral deposit
- the process of covering a borehole in order to seal an oil well
- the selling of a security etc close to an expiry date
- the conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face