The architecture of Huawei SDC Os is a set of embedded microservice management architecture developed based on the Linux kernel.

The foundation construction of the video site includes nine parts including positioning and laying out, excavation of foundation pits, entry of construction materials, foundation pit bottoming, grounding parts production and grounding, formwork fixing, concrete pouring, exit maintenance, and muck backfilling.

The points of target recognition include both indoor scenes and outdoor scenes.

In the process of cross-line detection, which feature value of the moving object does not need to be obtained?

During video backup between platforms, it supports configuring the server backup download rate, for example, the video is backed up at 1 time, 2 times, 4, and 8 times the bit rate of the camera. Which of the following types of support set 2-speed backup? (Multiple choice)