此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
网络让我们通过电子邮件交谈，这种交流方式通常让我们更加勇敢和直接地表示自己，有时候甚至会更加深思熟虑。
The Web allows us to converse by email, a form of communication that often makes us braver and more impulsive — and occasionally even more thoughtful — about what we say.
你可以创建一些项目，通过其他人的参与游戏，你可以间接地与他们交流。
You can create projects that other people can play with, andyou can talk to them indirectly.
直流输电系统接地极电流对交流电网的影响分析。
Analysis on influence of ground electrode current in HVDC on AC power network.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
用这种方式分享你们的情感，敞开你们的交流，让大家更相互理解，更诚实，更直接地表达他们的情感。
Sharing your feelings in this way may initiate a more open communication, allowing everyone to express their feelings with greater understanding, honesty and directness.
为了降低电压表的非欧姆接触所产生的误差，采用屏蔽和适当的接地措施来降低交流干扰。
To reduce error due to voltmeter non-ohmic contacts, use shielding and appropriate grounding to reduce ac pickup.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
可控硅房、电动机和其他交流照明设备，都应当装接地线。
SCR units, motors and auxiliary AC light plants should be grounded.
使用220v交流电源，必须带有接地的三芯插座，以防漏电。
Use 220v AC and three-core socket with good grounding to avoid power leakage.
对直流系统常用的几种接地电阻测试方法如交流法、直流漏电流法等进行了比较分析，指出了它们在使用中的缺点。
After comparing and analyzing several conventional insulating resistance measuring method such as AC method, DC creepage method and so on, their shortcomings in use are pointed out.
利用该统一模型，分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
艺术家与设计师被训练以含蓄的语言增加交流与沟通的丰富性，而不仅仅是直接地功能性地交流。
Artists and designers are trained to use the language of implicit meanings to add a rich communicative element over and above direct functional communication.
适用于户内312kv三相交流50（60）hz的电力系统内和各型号高压开关柜配套使用，亦可作为高压电器设备检修时接地用。
Apply to indoor 312 kv three-phase ac 50 (60) hz power system in various models and high-voltage switchgear supporting the use, can be as high voltage apparatus equipment maintenance with grounding.
适用于户内312kv三相交流50（60）hz的电力系统内和各型号高压开关柜配套使用，亦可作为高压电器设备检修时接地用。
Apply to indoor 312 kv three-phase ac 50 (60) hz power system in various models and high-voltage switchgear supporting the use, can be as high voltage apparatus equipment maintenance with grounding.
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