Commonly known as a drone, an unmanned aerial vehicle UAV or uncrewed aerial vehicle is an aircraft without any human pilot, crew or passengers on board. UAVs are a component of an unmanned aircraft system, which include additionally a ground-based controller and a system of communications with the UAV. The flight of UAVs may operate under remote control by a human operator. As control technologies improved and costs fall, their use in the twenty-first century is rapidly finding many more applications including aerial photography, product deliveries, agriculture even drone racing.
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授權類型 | 尺寸 | 像素 | 格式 | 點數 | |
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標準授權 | XS | 480 x 320 | JPG | 13 | |
標準授權 | S | 800 x 533 | JPG | 15 | |
標準授權 | M | 2121 x 1414 | JPG | 18 | |
標準授權 | L | 2738 x 1825 | JPG | 20 | |
標準授權 | XL | 3464 x 2309 | JPG | 22 | |
標準授權 | MAX | 5000 x 3333 | JPG | 23 | |
標準授權 | TIFF | 7071 x 4714 | TIF | 39 | |
進階授權 | WEL | 5000 x 3333 | JPG | 88 | |
進階授權 | PEL | 5000 x 3333 | JPG | 88 | |
進階授權 | UEL | 5000 x 3333 | JPG | 88 |
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標準授權 | 480 x 320 px | JPG | 13 點 |
標準授權 | 800 x 533 px | JPG | 15 點 |
標準授權 | 2121 x 1414 px | JPG | 18 點 |
標準授權 | 2738 x 1825 px | JPG | 20 點 |
標準授權 | 3464 x 2309 px | JPG | 22 點 |
標準授權 | 5000 x 3333 px | JPG | 23 點 |
標準授權 | 7071 x 4714 px | TIF | 39 點 |
進階授權 | 5000 x 3333 px | JPG | 88 點 |
進階授權 | 5000 x 3333 px | JPG | 88 點 |
進階授權 | 5000 x 3333 px | JPG | 88 點 |