片语

public ddn公用ddn

ddn accessddn接入

ddn networkddn网络

DDN设备DDN Equipment

DDN EquipmentDDN设备

DDN DistributedDataNetwork分布式数据网

China DDNabbr. 中国公用数字资料网（China Digital Data Network）

英汉例句

• Wireless DDN is one of such solutions for wireless data transport service, which is provided for customers to communicate among industry equipments on network platforms.

  无线DDN就是中国移动利用已有的网络平台，为行业客户提供的机器到机器的无线数据传输业务。

• I draw the following conclusion: DDN is still the best choice for group customers and the customers who require the service of large amounts of information and high transmitting quality.

  得出如下结论：DDN仍然是集团客户和对传输质量要求较高、信息量较大的客户的最佳选择。

• Traditional DDN Private network belongs to star topology with shortcomings of difficult adjustment of logical topology and worse extendibility and maintainability of network.

  传统DDN专网属于星型拓扑结构，缺点是逻辑拓扑难于调整、网络可扩展性和可维护性较差。

• At last from the Angle of the market, I point out the defects of the DDN and the way it will develop.

  最后又从市场的角度，指出了DDN固有的缺陷以及发展方向。

• This paper introduces the characteristics, carrying mode and network architecture of wireless DDN, and describes some typical applications of wireless DDN in industries.

  本文主要介绍了无线ddn的特点、承载方式以及网络结构，并结合实际介绍无线ddn在行业应用中的典型案例。

• The new way not only lowered the cost of investment and application but also ensured the speed and quality of DDN data transmission.

  这种接入方式降低了投入和应用的成本，又保证了DDN专线数据传输的速率和质量。

• Technology has evolved from DDN (TDM), a static bandwidth allocation technology, to Shared bandwidth technologies, such as X. 25, fr and ATM.

  技术上也从数字数据网(时分复用)这样的固定带宽分配技术向x .25、fr和atm等宽带复用技术发展。

• We have analyzed the IP signal quality, and suggested to replace the DDN transmission with IP transfer technique in future.

  对IP数据传输的质量进行了分析，并对将来用IP传输代替DDN传输提出了建议。

• Then I discuss the potential development prospect of the DDN business of Jiaozuo from the market Angle.

  又从市场角度，分析了焦作ddn业务的潜在发展前景。

• The ZXA10 T600 adopts a hierarchical modular structure. It is divided into different functional units according to the service types, such as POTS service unit and DDN service unit.

  ZXA10T600综合接入局端业务汇聚单元采用分层式的模块化设计，按照不同的业务类型划分成不同的功能单元，如POTS业务单元、数字数据网DDN业务单元。

• Using the designing practice of shenzhen DDN as an example, the detail explanations are made.

  以深圳市这种网的设计为例，对这种网进行了具体的解释和说明。

• With the full development of data communication, DDN service of Jiaozuo develops comparatively fast.

  随着数据通信的飞速发展，焦作的DDN业务发展较快。

• Methods: Double blind method was used in observation on effect of DDN and compared with that of Ritalin.

  方法：用双盲法对照研究中药多动宁(治疗组)与西药利他林(对照组)对儿童多动综合征的疗效及副作用。

• After hard work Jiaozuo has successfully set up the DDN network of Maipu. It provides a better foundation for the development of DDN in Jiaozuo.

  经过大量的前期论证工作，焦作成功地建设了迈普ddn网络，为焦作地区DDN的业务发展奠定了良好的网络基础。