As Co-Chair of the UK Political Studies Association Teaching and Learning Network, author worked on a webinar series for Politics IR academics teaching learning online. The aim was to meet development needs suddenly tasked with moving into online due Covid-19, thus addressing students at same time. This short essay highlights key points.

The transmission device is composed of rotary motion mechanism and vertical mechanism. synchronous belt planetary gear train upper lower connecting arms to ensure that the product rotates 90° counterclockwise 90°clockwise; cylinder, ball spline technology. flexibly implanted into curriculum with carrier new technology process, which feeds back teaching, takes thought politics as guide implement...