Abstract: A display apparatus is disclosed The display apparatus includes a display, configured to present an image interface, the image interface includes a render layer and a display layer superimposed: and a controller, configured to obtain a target video resource and one or more recommended video resource associated with the target video resource; control the display layer to present the target video resource and output audio of the target video resource; and control the render layer to present the one or more recommended video resource simultaneously.

Abstract: The present invention relates to the technical field of well logging interpretation. The present invention provides a method for determining the karst development degree of a reservoir, a computer readable storage medium and a device, and pertains to the technical field of well logging interpretation, the method comprising: extracting vertical denudation pore features and horizontal denudation pore features from electrical imaging logging image data of a undetermined reservoir, and counting well logging feature parameters; determining karst belts of the undetermined reservoir and classifying the karst development degree according to the vertical denudation pore features, the horizontal denudation pore features and the well logging feature parameters; and determining the available reservoir development degree of the undetermined reservoir according to the karst belts and the result of the classified karst development degree.

Abstract: The present invention relates to the technical field of well logging interpretation. The present invention provides a method for determining the karst development degree of a reservoir, a computer readable storage medium and a device, and pertains to the technical field of well logging interpretation, the method comprising: extracting vertical denudation pore features and horizontal denudation pore features from electrical imaging logging image data of a undetermined reservoir, and counting well logging feature parameters; determining karst belts of the undetermined reservoir and classifying the karst development degree according to the vertical denudation pore features, the horizontal denudation pore features and the well logging feature parameters; and determining the available reservoir development degree of the undetermined reservoir according to the karst belts and the result of the classified karst development degree.

Abstract: The invention discloses a bidirectional OADM device, comprising a main body, on which a first fiber ferrule, a first filter, a Lens, a second filter, a second fiber ferrule arranged along a transverse optical axis of the device, and a Laser and a Pin-TIA vertical to the transverse optical axis, wherein the Laser and the Pin-TIA are located at either the same side or at each side of the transverse optical axis, respectively, and the normal of Laser and the first filter intersect with each other in an angle of about 45 degree, the normal of Pin-TIA and the second filter intersect with each other in an angle of about 45 degree, and the first filter offers total reflection to an optical signal transmitted by the Laser and gives total transmission of an received optical signal into Pin-TIA and an CATV signal, the second filter offers total reflection to an optical signal received by Pin-TIA and gives total transmission of CATV signal.