China's high-altitude, high-speed drone, the CH-7, recently successfully completes its first flight at an airfield in Northwest China. Photo: a screenshot of a video of the landing and taxiing of the CH-7 drone. Photo: VCG
First phase of 138th Canton Fair concludes with broad global participation
An image captured by the Tianwen-2 probe shows the unfolding of its circular solar panels, released by the ...