Vehicle driving route refers to the route that runs on the road according to the predetermined plan in the production activities of automobile transportation. Truck driving routes can be divided into three types: reciprocating, ring and convergent. Due to different transportation conditions and different organization methods, when completing the established transportation tasks, the selected driving routes are also different, and the use of vehicles will be very different. Under the premise of ensuring transportation tasks, choosing a driving route that takes less time and costs less is an important part of driving organization.
The line refers to the communication line used by the multifunction machine for faxing. Under normal circumstances, all-in-one machines are the telephone lines of the public telephone network, but there are also a very small part of the products, because the need for confidentiality may require the use of special lines. According to the recommendations of the International Telegraph and Telephone Consultative Committee (CCITT), the file MFPs that have been applied and developed are divided into four categories: namely, the first category, the second category, the third category (G3) and the fourth category (G4). The first type of multifunction machine is double-sideband modulation, and its sending signal does not take any frequency band compression measures. It is suitable for transmitting one page of ISO (International Organization for Standardization) A4 format on the telephone line at a scanning density of 3.85L/mm within 6 minutes Fax equipment for documents.