預分配多址 的英文怎麼說
中文拼音 [yùfēnpèiduōzhǐ]
預分配多址
英文
prea igned multiple acce （pma）-
Time - preassigned multiple access
時間預分配多址Yin - shang dynasty carried out the principle for choice of defense system by putting the city in the center and constructed the defense protective screen around the city through setting up many layers of defense installations ; and set up several circles of important military towns on the periphery ranges, where set up military pre - alarm and information transmitting systems fitted with main - way nets and post systems extending to all directions, so as to form the state military defense systems
摘要殷商國家施行「都城居中」的選址原則，通過建造都城的多重防禦設施，構建都城周邊的軍事防禦屏障，並在周邊地區分設若干軍事重鎮環帶，建立周邊地區的軍事預警和信息傳遞系統，配之以四通八達的幹道網和驛站制度，從而形成國家軍事防禦體系。A mutirate transmission protocol is proposed, which is based on the csma and implemented rate information exchange, duration setting, nav update and calculating
該協議基於碰撞檢測的載波偵聽多址協議，實現了速率信息交換、預約時長設置和網路分配矢量的更新和計算。All the urban logistics requirements are forecasted by the method of time sequence deduce and muti - factors stepwise linearity regression, including volume of freight, configuration of goods, organize volume of freight, distributable volume of freight and its distributing. according to all the forecast result and other conditions, such as transportation and so on, the layout of beijing distribution parks are made certain, and the scale of each distribution park is calculated in use of space - time consume method. at last, a suitable investment, construction and operation system of beijing distribution park is advised on the reference of developed country experiences
在對物流節點的概念、功能、作用、分類、層次總結和概括的基礎上，結合物流的發展趨勢和大中城市的實際，分析了規劃物流園區的必要性；提出了城市物流需求預測技術路線后，運用時間序列第推、多元逐步線性回歸等科學方法，對北京的貨運量、貨物結構、組織量和適站量、適站量的方向性等物流需求做了預測；學習借鑒國外物流園區選址的經驗，根據貨物適站量方向性預測、北京市的交通體系等實際情況，確定了北京物流園區布局；把不同方向特徵年貨物適站量合理的分配到相應的物流園區中，運用時空消耗法確定了各個物流園區的規模；在對每個物流園區逐一分析后，借鑒國外的經驗，提出了適合北京的物流園區投資、建設、運營機制。分享友人