Drones can scan(扫描) crops using different kinds of light. Then, they produce multispectral images(多谱图像) that can help us find sickly yellow plants within fields of green. Drones can also detect bacteria(检测细菌) that are harmful to crops in the air from a few kilomet...
Their many uses include taking pictures from sky,observing(观察) wild animals and delivering packages. Now these small flying robots are leading a new farming revolution(革命),according to the Food and Agriculture Organization of the United Nations. When equipped(装备)with cameras a...