Phase comparison protection where the comparison is made twice per cycle.
每周期比较两次的相位比较保护。对正半周和负半周各比较一次。
That can be regarded as a phase comparison protection and also has the function of amplitude comparison.
它具有相位比较的功能，也兼有幅值比较的作用。
This thesis also proves, on the basis of international comparison, that the protection of minority shareholders' rights and interests is the starting point of improving stock market.
在对国际比较的基础之上，论证保护小股东权益是促进股份制、股票市场良性循环的起点。
Comparison of productive method, energy consumption, productive cost and environmental protection, for optimal technical decision in the prophase project.
着重对聚氯乙烯的生产方法、能源消耗、生产成本和环境保护进行比较，为项目前期工作优化技术决策。
A new scheme for transformer backup protection based on longitudinal comparison principle is proposed.
提出了一种基于纵联比较原理的变压器后备保护新方案。
A comparison of safety factors of bearing capacity for basements in highrise buildings under wind, seismic and protection loads was given.
本文对高层建筑地下室进行了风载、地震荷载和防护荷载作用下承载力安全度比较。
Through the comparison of various electrochemical protection testing techniques, we find that it is the most accurate in protective electric potential of the casing.
通过对比各种电化学保护测试法，介绍了接触测试法在对套管保护电位测量中的应用。
The critical aspects in the corrosion protection engineering were determined through the analysis of corrosion mechanisms and comparison of corrosion protection methods.
通过对管道腐蚀机理的分析和防护方法的比较，确定了上述地区长输管道腐蚀防护设计的要点。
A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.
提出了一种适用于输电线路差动保护抗电流互感器(TA)饱和的新方法——电流极性比较法。
A wide area relaying protection algorithm based on longitudinal comparison principle is proposed.
提出了基于纵联比较原理的广域继电保护算法。
The paper presents the scheme of integrated protection and introduces integrated protection system based on transient current polarity comparison principle.
提出了电力系统集成保护的方案，描述了一种基于暂态电流极性比较原理的多出线集成保护系统。
An overvoltage protection control circuit includes a voltage conversion circuit, a voltage comparison circuit, and a switching circuit.
本发明提供了一种过压保护控制电路，包括：电压转换电路、电压比较电路和开关电路。
Applying fuzzy theory to atmospheric corrosion of paints, the method of fuzzy synthesized evaluating for paint's protection function is established by comparison tested results.
此文将模糊理论应用于涂层的大气腐蚀试验，针对对比性腐蚀试验结果，提出了涂层保护性能大气腐蚀模糊综合评定方法。
A directional protection based on traveling wave current polarity comparison which is implemented by detecting the polarity of current wavefront of traveling wave is presented.
文章提出了基于检测行波电流波头极性的行波电流极性比较式方向保护。
The protection effect of SPFF on induced asthma in guinea pigs was studied by comparison with salbutamol.
以沙丁胺醇为对照考察SPFF对豚鼠药物引喘的保护作用。
Seeing that the importance of the bus protection wiring in bus coupler current phase comparison, in this paper an on-load testing verifying its wirings is introduced.
针对母联电流相位比较式母差保护接线的重要性，文章介绍了一种带负荷测量法去验证母联电流相位比较式母差保护接线正确的方法。
Based on the quantitative analysis to V-protection structure, this paper makes comparison between V-protection structure and full duplex system.
在定量分析的基础上，对V型保护结构结构和光纤全保护倒换方式进行生存性比较。
The problem of crane overload protection of the hydraulic static pile driving machine is originally solved by a full hydraulic project through comparison and demonstration in advance in this paper.
本文针对这一实际工程问题在静力压桩机吊机过载机理分析的基础上，通过方案的比较论证，首创性地提出了液压静力压桩机吊机过载保护问题的全液压解决方案。
In comparison with traditional solid wall drain pipe, this kind of pipe is an energy-saving environmental protection type drain pipe for building.
这种管材与传统实壁排水管相比，不仅能有效地降低排水噪声，而且在排水排通能力方面也大为提高，是一种节能环保型建筑排水管材。
By comparison, the vaccination rate for the adolescent Tdap vaccine (for protection against tetanus, diphtheria and whooping cough) is about 85% or higher for all racial and ethnic groups.
通过比较，所有种族和民族的青少年接种三合一混合疫苗(防破伤风、白喉和百日咳)的比率大约是85%或更高。
The third part studies the conditions of legislation on legal protection of privacy rights through comparison and its enlightenment.
再次，主要结合我国的实际情况，分析了侵犯消费者隐私权的具体行为表现。
Comparison with other snow melting, heating cable is easy to operate, easy to control, is conducive to environment protection.
与其他融雪方法比较，发热电缆具有操作方便、易于控制、有利于环保等优点。
Comparison with other snow melting, heating cable is easy to operate, easy to control, is conducive to environment protection.
与其他融雪方法比较，发热电缆具有操作方便、易于控制、有利于环保等优点。
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