Abstract: The present application provides a display apparatus and a method. The display apparatus, comprises: a display; a communicating device: one or more processors configured to execute instructions to cause the display apparatus to: receive a first command on a first user interface from a user, wherein the first user interface is a user interface corresponding to content from a first external device, the first command is used for indicating to present a first shortcut list, and the first shortcut list comprises device names of one or more external devices; in response to the first command, present the first shortcut list on the first user interface; receive a first selection command for indicating to present content from a second external device different from the first external device.

Abstract: This disclosure provides an unmanned survey vessel with an anti-overturning structure and an anti-overturning method of same, and relates to the anti-overturning technique field of unmanned survey vessels. The unmanned survey vessel includes a vessel body and a plurality of buoys. The vessel body is a hollow frame of which a middle is provided with a discharge space. An uptight rod is vertically fixed at an upper-end of the tail part of the vessel body. A supporting beam is horizontally fixed at an upper-end of the upright rod. The supporting beam extends to a bow of the vessel. A rectangular notch is formed in one end, close to the bow, of the supporting beam. One end close to the bow inside the rectangular notch is rotatably provided with a guide rod through a pin shaft. The plurality of buoys are equally divided into two groups which are adjustably arranged on two side walls in the advancing direction of the vessel body respectively.

Abstract: An easy-to-assemble mounting rack for a deformation detection device for a steel structure and an assembling method thereof are provided. The easy-to-assemble mounting rack includes mounting parts including a back mounting plate, an operating rod, an adjusting seat, a ball-shaped block and an upright rod. The upright rod is vertically fixed at the bottom end face of the adjusting seat. A ball-shaped hole is formed in the adjusting seat. The ball-shaped block is rotatably embedded in the ball-shaped hole. A plug-in hole is formed in a radial direction of the ball-shaped block. One end of the operating rod slidably penetrates through the plug-in hole and is detachably connected with the back mounting plate. Screw holes directly opposite to the mounting holes of the deformation detection device are formed on the back mounting plate. The other end of the operating rod is fixedly sleeved with a counterweight plate.

Abstract: Disclosed is a display apparatus and method. The method includes: in response to a boot command for starting the display apparatus from a user, entering a preset application in the display apparatus, where a user interface of the preset application is a black screen; in response to the smart boot mode being in the on state, reading an attribute value stored in a database of the display apparatus; if the attribute value is a first preset value, controlling the display to present a startup homepage, and exiting from the preset application; and if the attribute value is a second preset value, reading an input ID, controlling the display to present an interface of a physical source corresponding to the input ID, and exiting from the preset application.

Abstract: An apparatus for controlling a charging process is provided. The apparatus comprises a first interface, a second interface, and a switch connected therebetween. The first interface may be electrically connectable to a charger to receive power, and the second interface may be electrically connectable to a device. The switch may receive a signal transmitted from the device and, in response to the signal, turn on/off the power provided from the first interface to the second interface. The apparatus is compatible with existing chargers.

Abstract: An apparatus for controlling a charging process is provided. The apparatus comprises a first interface, a second interface, and a switch connected therebetween. The first interface may be electrically connectable to a charger to receive power, and the second interface may be electrically connectable to a device. The switch may receive a signal transmitted from the device and, in response to the signal, turn on/off the power provided from the first interface to the second interface. The apparatus is compatible with existing chargers.