The hotel industry faces both unprecedented opportunity and enormous challenge, now.

He is looking for job in the hotel industry.

他正试着在饭店找份工作.

It took us an hour to go three miles.

我们走3英里路花了1个小时。

No-balance method for zero sequence current of double lines are introduced in detail.

详细介绍了双回线零序电流的不平衡解决方法.

It can also used for zero-sequence current measurement and single phase ground protection.

也可用于电缆线路 零序电流 测量和单相接地保护.

This paper studies the influence of converter transformer-zero sequence current on valve short circuit protection.

笔者研究了 换流 阀三角形侧零序环流对阀短路保护误动作的影响.

Key words: low current earth electrical network, transient earth fault, zero-sequence energy, energy variation.

关键词: 小电流接地电网, 间歇性电弧接地故障, 零序能量, 能量变化.

A double lines distance relay based on the zero sequence components is presented.

提出了适用于平行双回线路的零序距离继电器新判据.

It mainly focuses on analysis and determining method of zero sequence power direction relay.

重点介绍零序功率方向继电器的分析及判定方法.

These reactive devices can't suppress the zero-sequence and negative-sequence current resulted from the unbalanced load.

而且不能补偿不平衡负载导致的 零序 、负序和中线电流.

Abstract: Zero sequence directional power protection is widely used in neutral directly grounded system.

文摘: 在大电流接地系统中广泛采用着零序功率方向保护.

A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.

该文提出一种新的基于负序电流补偿的自适应 零序 过电压保护原理.

The equations of zero-sequence coupling transmission lines are derived from telegraph equations.

运用电报方程推导出 零序 耦合传输线的输线方程.

Storage yard MIS is one of the emphasizes for research.

货场管理信息系统是论文研究的重点之一.

And a large team-owned motor transport, storage yard and other facilities.

并有大型自备汽车运输队, 仓储堆场等配套设施.

We found your machine tools up to the international standard.

我们认为贵公司的机床达到了国际标准.

Now this format an international standard after the world of consumer benefit.

现在这个格式成为国际标准之后将使全世界的使用者从中受益.

The main quality index than international standard, this product, welcome overseas customers.

主要质量指标超过国际上通用标准, 该产品深受客户欢迎,享誉海外.

All the exports come up to the international standard.

所有的出口商口必须达到国际标准.

Such amendments shall meet all the requirements of this International Standard.

这种修改应满足本标准的所有要求.

Pass ISO 9001 national standard quality system authentication.

并通过ISO9001国标质量体系认证.