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越区
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  cross-zone
     GSM-R Cross-zone Handover in Passenger Special Line
     客运专线中GSM-R越区切换的研究
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  “越区”译为未确定词的双语例句
     Study on Algorithm of Handoff in IMT2000
     IMT2000中越区切换的算法研究
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     Research on the Handoff Mechanism of WLAN Based on Hybrid Markov Prediction Model
     基于混合Markov预测模型的WLAN越区切换机制研究
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     Compared to IETF MIPv6 and HMIPv6, this paper proposed a new handover management model for mobile IPv6 node, Dynamic Handover Management MIPv6 (DHM-MIPv6).
     并针对标准移动IPv6和HMIPv6对移动节点切换管理的不足,提出一种新的越区切换管理模型方案——动态切换管理模型DHM-MIPv6。
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     Mobility management model of mobile IPv6 handovers
     移动IPv6越区切换管理模型的研究
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     Visual C++ Programming for Simulating a Mobile Crossing Location Areas in a Cellular Wireless Network
     蜂窝网络中移动台越区漫游仿真的Visual C++程序设计
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     The Analysis and Countermeasute of the "Over-District Sale
     销售"问题的分析及对策
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     HANDOVER MANAGEMENT IN PERSONAL COMMUNICATION NETWORK
     个人通信业务网的切换管理
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     E.
     E. 好;
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     polycrystalline area;
     多晶;
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     Culture Region
     文化
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Analysis of a transistor delayed injection and transit time device is given in this paper. Its configuration is similar to a conventional transistor with the exception of the addition of a v or π layer (transition region) between collector and base regions and it is operated as a diode. The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described. It is shown that output power about one watt as well as fairly...

Analysis of a transistor delayed injection and transit time device is given in this paper. Its configuration is similar to a conventional transistor with the exception of the addition of a v or π layer (transition region) between collector and base regions and it is operated as a diode. The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described. It is shown that output power about one watt as well as fairly high efficiency can be obtained at X-band, whereas the measured noise is about 20dB smaller than that of IMPATT.

本文分析了晶体管延迟注入渡越时间器件的工作原理。除在收集结与基区之间插入了一个v型或π型渡越区外,器件的结构与通常晶体管的很相似,但它是作为两端器件运用的。本文用小信号理论计算了其负阻和噪声性能,并进行了大信号性能的近似分析。结果表明:在X波段,该器件能以相当高的效率给出瓦级输出功率,其噪声量度却比一般崩越器件小,约为20dB左右。

During last 15 years, soybean varieties cultivated in the Heilong-jiang state farm region have been renewed several times. The characteristics of soybean varieties in the region vary widely amony those years. General tendency: Early-maturity varieties of soybean have been in-cresaing; leaf became narrow; stem of soybean changed to be stiff: branches became upstanding, and more resistant to frogeye leaf spot of soybean (Cercospora Sojina hara). Renewed variations in the soybean varieties suited to the ecology...

During last 15 years, soybean varieties cultivated in the Heilong-jiang state farm region have been renewed several times. The characteristics of soybean varieties in the region vary widely amony those years. General tendency: Early-maturity varieties of soybean have been in-cresaing; leaf became narrow; stem of soybean changed to be stiff: branches became upstanding, and more resistant to frogeye leaf spot of soybean (Cercospora Sojina hara). Renewed variations in the soybean varieties suited to the ecology condition of state farm region, development of soybean cultivation technology, and meet the requirments of home and oversea markets for soybean with good quality.The present main problems: Hefeng 25 have been grown in some parts of the region where growing season is short; shortage of desease resistant soybean varieties; Shortage of early and high-yield soybean verieties in some low temperature area.

近十五年来,垦区大豆栽培品种几经更新,变化显著。其趋势为:早熟品种比例增大;叶形变尖,茎杆变强,株型收敛;抗灰斑病能力趋强。品种的更新变化,适应了垦区生态条件,大豆栽培技术发展,以及商品市场的需要。现存的主要问题是:合丰25号在部分地区越区越期种植;缺少抗病品种和能突破低温限制因素的早熟高产品种。

The article is based on discussing the function implementation of roming,locatiOn registrationand handoff in the PLMN,It has put forward a method Of computer simulation of realizing the function ofroming,location registration and handoff.

本文在论述公用陆地移动网的漫游、位置登记及越区切换功能实现的基础上,提出了一种实现漫游、位置登记及越区切换功能的计算机模拟方法。

 
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