Medical structure
The meaning of virology: a capsid is a structure composed of multiple viral protein subunits and wrapped outside the nucleic acid of the viral genome.
Commercial use
From the perspective of commercial products, the shell can be classified as follows:
Material:
According to the material , The shell can be divided into metal shell, plastic shell and so on.
Application:
The application of the shell is generally in mechanical products, digital products and lighting products. Especially for the LED energy-saving lamps advocated, the shell has become a big additional product.