Magnetic DisC: a generic term for any flat circular plate having a magnetic recordingsurface onto which data may be recorded, erased and recorded.
磁碟：任何有着可以用磁力作贮存，删除，再贮存的表面的圆形板片的总称。
2
Magnetic disc a generic term for any flat circular plate having a magnetic recordingsurface onto which data may be recorded, erased and rerecorded.
任何有着可以用磁力作贮存，删除，再贮存的表面的圆形板片的总称。
3
This works by deploying an array ofelectrodes over a person's scalp and recordingsurface manifestationsof the electrical activity going on under his skull.