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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。
- And this scheme is proved to be applicable to non-vision distance transmission so as to improve the develapment of BWA in the market. 此方案适用于非视距传输,从而促进了宽带无线接入系统(BWA)的市场发展。
- 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。
- In order to achieve the super distance transmission, the capability of correcting error in coding must be enhanced on the foundation of FEC. 为了实现超常距离传输,必须在FEC(Forward Error Correction)基础上进一步提高编码纠错能力。
- DWDM system can be utilized in construction of long-haul transmission network as well as short distance transmission network such as MAN (Metropolitan Area Network). DWDM系统既适合于构架长距离的传输网络,也可用作诸如城域网(MAN Metropolitan Area Network)等短距离传输网络的首选方案。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- long - distance transmission pipeline 长输管道
- long distance transmission pipeline 长输管道