数字式

Based on recent English literature, this paper has summed up the present state and development of important gravimeters in the world, described a new type digital supergravimeter, and a mew designing idea for gravimeter, viz, the application of absolute scale to the measurement of relative gravity.

摘要根据最近的英文文献，综述了世界上重力仪的现状及的发展，介绍了一种新型的数字式超级重力仪，以及重力仪的一个新的设计思想－应用绝对标度测量相对重力。

Several control methods were discussed and amplitude and phase separate modulation was presented.

数字化是控制领域发展的趋势，在具体实现能量回馈系统的过程中，本文也充分运用数字式控制方式。

A new digital display recorder with indicator which integrates the advantage of analog display instrument and digital display instrument is introduced.

介绍一种集模拟显示仪表和数字显示记录仪表优点的新型带指针指示的数字式显示记录仪。

A new digital recorder with index indication, which integrates the advantage of analog display instrument and digital display instrument, is introduced.

本文介绍一种集模拟显示仪表和数字显示记录仪表优点于一体的新型带指针指示的数字式显示记录仪。

This paper states the first opened digital railway division communication system which is constructed with ΔM multiplex transmission system and digital division telephone switching system on the toll symetrical cable at Zhengzhou-Luoyang Railway Division.

本文介绍了在郑州—洛阳区段的长途对称电缆上开通的我国铁路第一个数字式区段通信系统，它由△M多路复用传输系统和数字式区段电话交换系统构成。

Aiming at large-size steam turbine DEH governing system is complex and difficult to evaluate their conditions, a method of variable weight synthesizing condition evaluation of DEH system is firstly proposed on the basis of analysis on the condition effecting factors of DEH system.

针对大型汽轮机组数字式电液调节系统复杂，难以评价状态的问题，在分析反映系统运行状态各因素的基础上，首次提出了基于变权综合的数字式电液调节系统状态评价方法。

600MW unit is occupying the more and more important status in domestic power system, meanwhile, the simulation models of DEH introduced in this article can be used as a platform for optimizing operation, enhancing performance and diagnosing faults etc, which will certainly to promote DEH widespread utilization as well as the steam turbine control.

600MW机组正在国内电力系统中占据越来越重要的地位，本文开发的数字式电液调节系统仿真模型为电站的生产运行、性能分析和故障诊断提供了一个研究平台，这必将促进数字式电液调节系统的广泛运用以及汽轮机控制水平的提高。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

Tendencies in the development of digital television broadcasting are:(1) Stereophonic or two-language sound transmission with television in existing analog TV system,(2) Digital direct satellite broadcasting;(3)Digital high definition television Broadcasting.

数字式电视卫星广播的发展趋势是：（1）在现有的模拟式基础上传播高音质立体声或双语音电视广播；（2）数字式直接卫星电视广播；（3）高清晰度数字式电视广播。

The FLL+ features digital frequency locked loop hardware that, in conjunction with a digital modulator, stabilizes the DCO frequency to a programmable multiple of the watch crystal frequency.

FLL+以数字式频率，与一个数字式调制器一道，稳定DCO频率对表面皿频率的一个可编程序的倍数的被锁的圈硬件为特色。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了