因此，想从他的著述中找出一个最终答案，必然是徒劳无功的。
Hence it is futile to look for synthesis or a final resolution in his writings.
电力系统中无功的分层平衡，有利于减少输电路径上无功的流动，降低电网传输损耗。
In the power system of reactive power balance layer, to reduce the flow path, reduce the reactive power transmission loss.
自从四月份以来，升值速度已经大大降低，对于阻止投机者来说，这是一个徒劳无功的努力。
Since April the pace of appreciation has been much reduced, in a vain effort to discourage speculators.
这个故事告诉我们三件事：为什么人们会感到烦恼，烦恼是徒劳无功的，如何摆脱烦恼。 。
This story teaches us three things: why people worry, the futility of worry, and how to overcome worry.
有源电力滤波器是一种用于抑制谐波、补偿无功的新型电力电子装置。
Active power filter (APF) is a new power electronics device used to restraining harmonics and compensating reactive power.
有源电力滤波器是一种用于动态抑制谐波，补偿无功的新型电力电子装置。
The active power filter is a new kind of the power electronic plant restraining harmonic and compensating reactive power.
有源电力滤波器是一种用于动态抑制谐波，补偿无功的新型电力电子装置。
Active power filter is a new power electronic plant restraining harmonic and compensating reactive power.
此种执著一开始就注定要失败无功的，因为其中并没有任何基础和真正存在，而我们所执著的东西其根本本质却是不可执取的。
Such grasping is futile from the start and condemned to frustration, for there is no basis or truth in it, and what we are grasping at is by its very nature ungraspable.
统一潮流控制器(UPFC)可以有效控制线路的有功和无功功率。
UPFC (Unified power Flow Controller) is always used to control the active and reactive power of transmission lines.
合理的无功就地补偿和选择变压器容量可以降低损耗，提高系统运行的经济性，是电力需求侧管理的重要内容。
Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
理论分析和现场运行情况表明，该有源滤波器能有效解决实际工况下对电网谐波抑制和无功补偿的需求，具有很好的工程应用效果。
Theoretic analysis and operation results confirm that the filter can resolve the demand of harmonic restraint and reactive power compensation effectively, and has good engineering application effect.
通过计算机仿真及试验证明，该有源电力滤波系统能很好地同时抑制电网中的高次谐波及无功电流。
Computer simulation and experiments show that the active power filter system can effectively suppress the high frequency harmonics and reactive currents at the same time.
在变电站安装电压无功综合控制装置是实现电压自动控制和无功优化的一种有效方法。
Installation of voltage reactive comprehensive device in substation is an effective way to realize voltage automatic control and reactive optimization.
并联有源电力滤波器作为一种新型的谐波、无功综合补偿系统，是电能质量控制领域中的研究热点。
The study on shunt active power filter, which is a novel device compensating harmonics and reactive power current simultaneously, is the focus in the field of power quality control.
不可思议的是，这根本不是徒劳无功。最终的结果简直令人惊叹。
But the weird thing is that it's not futile at all. The end results are, quite simply, breathtaking.
但是恐慌的核心就是非理性，任何试图以逻辑来对抗恐慌的努力都将徒劳无功。
But panic is at its core irrational. Trying to counter panic with logic can be a futile exercise.
进行无功优化是确保电力系统安全性、提高供电质量和经济效益的有效措施。
Reactive power optimization is an effective measure to assure the security, improve power quality and benefit of power systems.
平常冷静的爸爸在房里冲来冲去，妈妈试着让他镇定下来，却徒劳无功。
My usually level-headed father was dashing about the room while my mother tried in vain to calm him down.
即使有了伟大的想法，也有勇气去追求，但除非你愿意采取大量的行动，否则你的努力还是徒劳无功。
Even with a great idea and the courage to pursue it, your efforts will be for naught unless you're willing to take massive action.
海伦凯勒的沙利文老师曾经说过：「我清楚体会到，除非她学会听从我说的话，否则，无论我怎样努力去教她语言或任何东西，都只会是徒劳无功。
Anne Sullivan, the remarkable teacher of Helen Keller, said, 'I saw clearly it was useless to try and teach her language or anything else until she learned to obey me.
ABB的系统设计在运行过程中还提供了额外的无功功率以尽量减少新的提升机对周边电网的影响。
ABB's system design also provides additional reactive power during operation, to minimize the new hoist's impact on the surrounding power network.
他们到处寻找那个失踪的孩子，但是徒劳无功。
They have searched everywhere for the missing child, but to no avail.
有很多次我试图使用传统方法将多个字段布局到同一行，但徒劳无功，或者是产生的代码很难维护。
There have been many times where I have struggled to lay out several fields on the same row using traditional means but come up short, or the process created code that was difficult to maintain.
女性占人口50%是事实，但是因此而试图采取接纳所有女性的市场策略徒劳无功。
To attempt a marketing strategy to encompass all women based on the fact that they make up 50% of the population is a futile exercise.
30年前，堪萨斯心理学家GlennMackHarndon博士想要在学术摘要《心理学摘要》中找到关于饶恕，原谅的研究，却最后徒劳无功。
Thirty years ago, Kansas psychologist Dr. Glenn Mack Harndon searched in vain to find studies on forgiveness in the academic digest Psychological Abstracts.
30年前，堪萨斯心理学家GlennMackHarndon博士想要在学术摘要《心理学摘要》中找到关于饶恕，原谅的研究，却最后徒劳无功。
Thirty years ago, Kansas psychologist Dr. Glenn Mack Harndon searched in vain to find studies on forgiveness in the academic digest Psychological Abstracts.
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