satellite telecommunication system 中文意思是什麼
satellite telecommunication system
解釋
衛星電信系統- satellite : n 1 【天文學】衛星；人造衛星；〈比喻〉衛星國。2 隨從，幫閑者，食客。3 【生物學】隨體（指染色體）...
- telecommunication : n. 1. 電信。2. 〈pl. 〉電信學〈口語中可縮略為telecomms〉。
- system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
- telecommunicatio : 電信
- n : 1. 【羅馬數字】90〈N＝90000〉。2. 【化學】＝nitrogen. 3. ＝North（ern）。N ＝nuclear 核的：N-waste 核廢料。
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The business scope of china railway investments group limited is : the investment, design and information consultation of projects ; the research, design, development, installation and application of “ the television, telephone and computer three in one digital information system ” of the railway station and train ; railway mobile tv on the trains ; railway cable tv ; railway information website ; railway newspaper and magazines ; railway art performance ; railway movie & tv producing and issuing ; design, make, and issue railway satellite tv advertisement, railway cable tv advertisement, railway information website net advertisement, train television advertisement, train sponsoring advertisement, billboard advertisement on train, supplies advertisement on train, small articles advertisement on train, railway station billboard advertisement, railway newspaper and magazine advertisement, propaganda sheet advertisement ; the investment and construction of railway project ; railway passenger and freight transportation business ; railway chain tourist hotel and catering business ; material trade ; import and export of technology ; telecommunication operating business ; railway banking business ; energy sources exploiting and operating business
中鐵多經投資集團主要經營范圍為：項目開發投資、策劃及相關信息咨詢；鐵路站車「電視、電話、計算機三網合一數字信息系統」的研究、設計、開發、安裝應用；鐵路衛星電視及鐵路無線寬帶網路電視；鐵路有線互動電視；鐵路信息網站；鐵路報刊雜志；鐵路文藝演出；鐵路影視製作；設計、製作、發布鐵路衛視廣告、鐵路有線電視廣告、鐵路信息網站網路廣告、列車電視廣告、列車冠名廣告、列車上廣告牌廣告、列車上用品用具廣告、列車上小商品實物廣告、火車站廣告牌廣告、鐵路報刊雜志廣告、宣傳單張廣告；鐵路建設項目投資、施工；鐵路客運、貨運業務；鐵路連鎖旅遊酒店、餐飲業務；物資貿易；技術進出口；電信運營業務；鐵路銀行業務；能源開發及運營業務。 -
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。 -
Thesis gives cargo tracking mode and architecture as well as thoughts when enterprises carry out co - operation cargo tracking system. to state cargo tracking co - operation between china national foreign trade transportation ( group ) corporation ( sinotrans ) and guangdong south satellite telecommunication service co. ltd ( sst )
論文以中國外貿運輸總公司和廣東南方衛星通信服務有限公司進行協同跟蹤為例，提出了協同跟蹤模式，並給出了跨省際的物流運輸企業建設協同跟蹤系統的總體框架和思路。 -
Satellite telecommunication system
衛星電信系統
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