直流的

Gaussmeters and fluxgate magnetometers with a computerized data collection system, enables us to

直流磁场测试时，采用三轴高斯计和磁门磁力仪与计算机数据采集系统，使我们能够以更有效的服务于

The DC sensing theory and method based on magnetic potential self-balance and feedback compensation are studied in this paper.

本论文研究了一种基于开环原理与闭环原理相结合的磁势自平衡回馈补偿式直流传感机理与方法及其实现。

The tested results have validated the correctness of the theory of magnetic potential self-balance and feedback compensation dc sensor.

实验结果证实了磁势自平衡回馈补偿式直流传感机理和方法的正确性。

An electric circuit and magnetic circuit coupled model of the DC biased power transformer was presented.

提出一种电力变压器直流偏磁的电路–磁路模型。

A practical analysis method of low frequency oscillations for large power systems is presented.

提出一种实用的大规模交直流电力系统低频振荡分析方法，该方法结合

Besides,it also owns the protective measures of overload, over-heat, the output shortcircuit,the DCcircuit,switchon/offspeaker protection.UM series is very suit for the flowing performance, meeting room,super karaoke and so on.

功放保护电路非常齐全，拥有过栽、过热、输出断路、直流、开关机扬声器保护等完善的保护措施；内置削波限幅电路，减少失真，保护扬声器， UM系列非常适用于流动演出，会议室，适合在超级卡拉OK等场合使用

In this thesis, we describe the basic physical principle of direct current superconducting quantum device.

本论文论述了直流超导量子干涉器的基本物理原理。

The power loss of the electrical driving system has been measured under different exciting current of the motor and duty cycle of the dc converter.

并针对不同负载下系统稳态损耗和电机励磁电流和直流变换器占空比的关系进行了实验研究。

Which is the DC component of Eq.

这是公式3的直流成分。

The simulation results show that the dynamic performance of the AC/DC system can be improved effectively.

仿真结果表明，该控制器能够有效地改善交直流系统的动态特性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。