搜尋結果
CHCNAV's role in measuring the Mount Qomolangma
China Daily· 5 日前In 2020, China used homemade CHCNAV measuring equipment and the Beidou Navigation Satellite& ...
NASA, Boeing clear two technical hurdles for Starliner's debut crew flight
Reuters· 7 日前, opens new tab and NASA quelled two technical issues on the company's Starliner ...