leo the great 中文意思是什麼
leo the great
解釋
大利歐-
A star precipitated with great apparent velocity across the firmament from vega in the lyre above the zenith beyond the stargroup of the tress of berenice towards the zodiacal sign of leo
一顆星星從天頂上天琴座「織女一」越過后發星座188的星群,明顯地以高速度朝著黃道十二宮的獅子宮189直沖過去。 -
The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future
低軌道衛星是一種運行於1000公里左右的高空中的人造衛星,利用leo衛星實現個人通信的優點在於:一方面衛星的軌道高度低,使得傳輸延時短、路徑損耗小,多個衛星組成的星座可實現真正的全球覆蓋,頻率復用更有效:另一方面蜂窩通信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動通信提供了技術保障。 -
St. leo the great
聖良一世
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