搜尋結果
Chinese fossil reveals evolution of skin in feathered dinosaurs
Reuters· 1 日前... of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-< ...
Hives For U.S. Drone Swarms Ready To Deploy This Year
Forbes· 7 日前Two U.S. companies are teaming up to supply technology for the military to operate mixed swarms ...