1)  DDN
DDN专线
1.
This paper surveys broadband access technologies and gives overviews of some implementations including xDSL, cable TV and cable modem access, ethernet connection, optical fiber access, DDN access and satellite-based DirectPC access.
本文对Internet接入的几种宽带IP接入技术,xDSL技术,有线电视网络加CableModem技术,基于五类线的以太网接入技术以及光纤接入技术,DDN专线接入技术及基于卫星通信DirecPC的无线接入技术等作了一个基本的概述,并且进行了初步的探讨。
2)  DD
DD
1.
The Design of Field Bus Asset Management System Based on FDT and DD Technology;
基于FDT与DD技术现场总线设备管理系统设计
2.
The Device Description Language (DDL) is a simple structured English language for describing HART field devices.
为实现同一HART主设备(如手持器)对不同的HART设备都可以进行操作(即互操作),HART基金会专门为HART设备定义了描述HART设备特性的设备描述语言(DDL)。
3)  DD-PCR
DD-PCR
1.
Methods Total RNA was extracted from the liver of normal rat and Plasmodium yoelii infected rat followed by DD-PCR with the primer containing 40% G+C.
方法分别提取约氏疟原虫感染大鼠(IL)和正常大鼠(UL)肝脏总RNA,根据疟原虫基因A+T含量高( >70%)的特点,设计可选择性扩增约氏疟原虫基因的G+C含量为40%的引物,采用差异显示PCR(differential display RT-PCR,DD-PCR)技术进行扩增,筛选差异片段,经TA克隆后测序并进行序列分析。
2.
DNA of aborted and normal buds in Radish male sterility BT-18 was extracted,and the mRNA difference of the aborted and normal bud was studied by DD-PCR.
提取了萝卜雄性不育系BT-18败育花蕾和正常花蕾的DNA,并且采用DD-PCR技术研究了败育花蕾与正常花蕾的mRNA差异表达。
4)  dd PCR
dd-PCR
1.
Differential display PCR(dd PCR) was used to detect the different gene expression level of two groups of cultured cells from dorsal root ganglia(DRG), one treated with "Nerve Regeneration Factor" and the other not.
本实验采用 dd-PCR方法 ,从体外培养背根神经节细胞加药组和不加药组中获得两者的差异表达片段 ,并经反杂交筛选、克隆测序、DNA序列检索分析、Northern验证。
2.
The general principle and process of DD PCR,as well as the progress of its application in crops environment stress were summarized.
本文介绍了 DD-PCR的基本原理和基本步骤 ,总结了该技术在作物环境胁迫应用中的进展 ,最后讨论了该技术存在的问题和改良的方
5)  DD-RCM
DD-RCM
1.
Investigation into product process based on DD-RCM and CIPN;
基于DD-RCM和集控Petri网的产品生产过程研究
6)  DD-filled target
DD靶
参考词条
补充资料：专线
1.某些部门专用的交通线路或通讯线路。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。