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- SPC exchanges have accounted for 99.8% of the country central office telephone exchanges and 99.6% of long distance transmission has been digitized. 全国局用交换机程控化比重达到99.;8%25,长途传输数字化比重达到99
- If there are long distance transmission systems and accessorial instruments attaching to the gauge, they all should be appraised and calibrated. 当仪表带有远距离传送系统及二次仪表时,应连同二次仪表一起检定、校准。
- This paper has discussed how to select geoidal model and how to determine normal height in GPS survey of long distance transmission line project. 就长距离超高压送电线路工程的GPS测量中如何选择大地水准面模型,如何确定GPS测量的高程等问题进行了讨论。
- They also understood that as the sunspot numbers increased during the eleven-year solar cycle, the critical cutoff frequency for long distance transmission also increased. 他们并且了解当黑点数字增加了在11年的太阳周期期间,重要截止频率为长途传输并且增加了。
- Dense WDM (DWDM), achieves higher capacity by dividing a wavelength-band into even more channels.So it becomes very important in the long distance transmission . 密波分复用(DWDM)将一个光纤划分出更多的信道,从而加大了传输容量,使其在长距离传输中具有不可或缺的地位。
- Breakpoint testing is still in the stage of application and dissemination.It has been being on trial for long distance transmission pipeline without SCADA system. 断电法测试在国内还处于推广和应用阶段 ,尤其是在无 SCADA系统的长输管道上 ,其应用还处于尝试阶段。
- The concept of peak shaving for gas supply,NG storage function of long distance transmission pipelines,T & D pipeline networks,high pressure spherical storage vessels and of their combinations are stated. 介绍供气调峰的概念,长输管道、输配管网和高压球罐的储气功能,以及这三种储气方式的组合。
- The DS18B20 is a 1-WIRE digital thermometer of DALLAS Semiconductor, It can realize direct digital putput and examination,and has strong control function,long distance transmission,strong antijamming ability,miniature,low power consumption and so on. DS18B20是美国DALLAs半导体公司生产的1-WIRE数字温度传感器,它可实现直接数字化输出和测试,并且有控制功能强、传输距离远、抗干扰能力强、微型化、微功耗等特点。
- Internet based commercial activities for manufacturing enterprises are discussed. Experimental results of long distance transmission of manufacturing information through E mail and FTP are given. 探讨了基于因特网的制造企业商务活动方式,给出了用E-mail及FTP实现制造信息(含文字、图形)的异地传输的初步验证结果。
- This paper proposes a novel principle of segregated phase current differential protection in UHV long distance transmission line with shunt reactor installed in the middle segment. 提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。
- Such long distance transmissions coupled with obscuring dark robes kept his identity and location a secret to all of his accomplices. 长距离传输和阴暗的黑袍,使所有他的共犯对他的身分和传输地点毫无所知。
- long distance transmission pipeline 长输管道
- The cases in western Europe in February 2006 after a cold spell on the Black Sea showed that irus can spread through infected wild birds traelling short distances, but no eidence for long distance transmission during seasonal migration has yet been found. 2006年2月春寒过后,在西欧黑海发生的疫情显示,病毒可通过受感染的野生鸟类的短途旅行播撒,但在候鸟的季节性长途迁徙中还未发现证据。
- He ran up and jumped a long distance. 他助跑,然后起跳,跳的很远。
- It is a long distance from New York to Hongkong. 纽约离香港很远。
- Now space satellite is used to speed long distance call. 现在宇宙卫星被用来快速传送长途电话。
- NDT and Its Related Standard of Long Distance Transmission Pipeline 长输管道的无损探伤及相关标准
- Hard training will fit them to run long distances. 严格的训练将使他们能跑长距离。
- LONG DISTANCE TRANSMISSION OF VIDEO SIGNAL IN WELDING FIELDS 焊接现场视频信号的远距离传输技术
- Now space satellites are used to speed long distance calls. 现在宇宙卫星被用来快速传送长途电话。