直通基群 的英文怎麼說
中文拼音 [zhítōngjīqún]
直通基群
英文
through group-
In summary, the exotic species can affect native bird species in four main ways, 1 ) predation of birds or eggs by the exotic mammals ; 2 ) competition for habitats and foods with exotic birds, and loss of genetic diversity by hybridization with the closely - related exotic species ; 3 ) direct and indirect alterations of native habitats and food resources, and predation by the exotic invertebrates ; and 4 ) loss and fragmentation of habitats for native birds through altering species composition and structure of native plant communities by exotic plants
外來生物對鳥類的影響主要表現在以下幾方面： （ 1 ）外來哺乳動物對成鳥、幼鳥或鳥卵的捕食作用； （ 2 ）外來鳥類與本地鳥類競爭棲息地和食物資源，與當地的近緣種雜交而造成基因流失； （ 3 ）外來無脊椎動物改變本地鳥類的棲息環境和食物狀況，甚至直接捕食本地鳥類； （ 4 ）外來植物入侵改變入侵地的植物群落組成和結構，造成本地鳥類的棲息地喪失或破碎化，並通過改變入侵地生態系統的食物鏈結構而對高營養級的鳥類產生影響。W is a digiul trunkin mobile cominunhaon system based on mma forhnology it offers group call diw w m wion ( dmo ), duplex phone tall, padri data sehece, short data service and so on. tetw supports air interface and end - bend encrypon. tem is not only a fit private system for dispateh cominedcation of the polieq fire servce " w ha wtport, city tiwhc eto, but also for ule project reqthements of the public tw communication system
Tetra是一種基於時分復用（ tdma ）技術的數字集群移動通信系統，它可以提供組呼調度、脫網直通（ dmo ） 、企雙工電話、分組數據服務、數據簡訊息服務等業務，支持空中介面加密和端到端加密功能，既適合公安、消防、機場、鐵路、城市交通管理等專業部門調度指揮專用，也可滿足社會共用集群網的設計要求。The system offers a range of unique features that are not available from other wireless communication platforms : fast call set - up time ; excellent group communication support ; direct mode operation between radios without going through the radio infrastructure ; packet data and circuit data transfer services ; frequency economy ; and excellent security features
系統擁有少其他無線通訊平臺缺乏的獨特功能，如快速接駁通話出色的群組通訊支援通訊機之間不必經過無線電基建而以直接模式運作封包數據和電路數據傳送服務頻率便宜和優良的保安功能。A theory method of gis - based dynamic visual simulation for the construction processes of underground structure group is presented, which combines cyclic operation network simulation, system simulation, network plan optimization and gis - based construction processes " three - dimension visualization. with considering simulation results " visualization and fully using powerful space data and graphics process technique of gis, it describes the construction processes with dynamic digital three - dimension pictures. it provides a useful analysis tool for grasping the construction processes comprehensively and quickly
提出了基於gis的地下洞室群施工動態可視化模擬理論與方法，該理論方法集循環網路模擬技術、系統模擬技術、網路計劃分析與優化技術、基於gis的施工過程三維可視化技術於一體，以模擬結果的直觀可視化為出發點，充分利用gis強大的空間數據處理功能和圖形處理技術，通過動態的數字化三維圖形將地下洞室群施工過程形象地描繪出來，為全面、快速地掌握施工過程提供了有力的分析工具。分享友人