Virtual Virtual Yoshida Buckling

virtual robbery of virtual property

Healthy person accompanying sick person

person to person call

person-to-person

person-to-person call

person-to-person payment system

person-to-person service

persontoperson communication

persontoperson communication method

Person consulting on behalf of another person

’virtual double-line’ method

2D virtual environment

2D virtual environment simulation

3D fashion virtual

3D sight virtual model

3D virtual borehole core images

3D virtual environments

3D virtual experiment