单词:board of ordnanee
单词:board of ordnanee 相关文章
Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.
This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i
Calsphere 卡尔斯菲尔美国拦截卫星 CAMEO(Chemically Activated Mater. Ejected inOrb.) 卡梅欧(轨道放射化学激活物质)美国科学卫星 Canister 茶叶罐美国小型军事空间站 C
WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai
Foreign Ministry spokesman Hong Lei says China has informed Malaysia and Australia soon after a Chinese satellite spotted a large object possibly related to missing flight MH370. Satellite imagery, captured by the high-definition earth observation sa
Chinese netizens recently expressed their hope to use China's Beidou Navigation Satellite System, after some reports show that its accuracy can be improved to less than one meter. Our reporter Liu Min talked to Dr. Yang Yuguang, a Professor from the