Cross beam lifting tool and method of hoisting pump tower LNG ship
IMAGE PROCESSING METHOD, DEVICE, UNMANNED AERIAL VEHICLE, SYSTEM, AND STORAGE MEDIUM
TARGET-IMAGE ACQUISITION METHOD, PHOTOGRAPHING DEVICE, AND UNMANNED AERIAL VEHICLE
Target-image acquisition method, photographing device, and unmanned aerial vehicle
Method for quickly obtaining field map according to surf-scan
Automatically-adjustable lifting beam for component lifting