Abstract: The present disclosure provides a conveniently operated electronic lathe, belonging to the technical field of electronic lathes. The conveniently operated electronic lathe includes a sliding plate box, a longitudinal and transverse reversing detection switch, a longitudinal and transverse operation handle, a rack, a longitudinal and transverse sliding plate, a numerical control system, an electric cabinet, a spindle box, a spindle gear shifting handle. A shaft I, a shaft II, a shaft III, a shaft IV and a shaft V are all rotatably arranged on the sliding plate box. A gear of the shaft III is fixed to the shaft III. A first gear of the shaft II is engaged with the gear of the shaft III. A second gear of the shaft IV is engaged with the first gear of the shaft V.

Abstract: The present disclosure relates to systems and methods for carpooling. The systems may perform the methods to receive a first intention for a first transportation service of a first subject from a first service requester at a first service intention time; identify an available service provider at the first service intention time; send the service provider a first time point to arrive at a pick-up location and a wait time to stop at the pick-up location before departing from the pick-up location; and send the first service requester a second time point to arrive at the pick-up location.