Water was the main source of mechanical power, and by the end of the seventeenth century, England alone is thought to have had some 20,000 working mills.
水是机械动力的主要来源，而到了17世纪末，人们认为仅英格兰就有2万个左右的工作磨坊。
Knowledge is both ownership (by the knowledge worker) and power, a decisive source of competitive advantage.
知识为(知识工作者)所有，也是一种权力，是竞争优势的决定性资源。
The power source can either be a lithium-ion battery or electric piles that run by liquid hydrogen.
该款车的动力来源于锂离子电池或液态氢燃料的电堆。
Electrospinning works by connecting a needle-like spinneret to a high-voltage power source and releasing a charged liquid from it towards an earthed collector plate.
电纺的工作方式是将一根针状喷丝头连上高压电源并从中对一个接地的收集器释放出一股带电液体。
The apartment is powered by solar panels and an unspecified source of wind power. It relies on an array of fuel cells to store the generated electricity.
房子主要由太阳能电池板和不知何处而来的风能供电，并装有一排燃料电池储存电力。
That's by design, because you don't want to end up in a situation where a problem at the plant cuts off its own power source.
这是故意的，因为你不希望出现因电站本身的问题导致了它自身电源被切断的情况。
Mr Sparrow and Mr Zoshi, by contrast, reckon they can produce that much fresh water with less than 1 kWh of electricity, and no other paid-for source of power is needed.
相较于前两种方法，Sparrow和Zoshi估算他们可以用不到1千瓦时的电力，同时也不需要其他任何付费能源就能产出更多的饮用水。
The study, carried out by Mark Jacobson of the atmosphere and energy programme at Stanford University, found wind power to be by far the most desirable source of energy.
这项研究是由斯坦福大学气象和能源项目的MarkJacobson主持进行的，研究表明，截至目前，风力是最合适的能量来源。
This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.
本文对窄脉冲调制的高频大功率源进行理论分析和电路设计。
By simulating the field condition, the testing environment of the digital power source controller is established.
根据焊接现场条件，建立数字化电源控制器的试验测试环境。
M. adjusted, by the use of high speed SCR gate, a new convening power source with output of 100a for plasma are cutting is developed.
调节为基础，利用快速可控硅做开关元件，研制的一台新型等离子弧切割电源——输出直流100a逆变切割电源。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
Even if this new dash for gas happens fast enough to keep most of the lights on, which is by no means certain, it would leave the country overly reliant on one power source.
即使新近对天然气一窝蜂的需求仍能保证大部分地方有电(这一点毋庸置疑)，它还是会导致国家过度依赖于一种能源资源。
This study examined the effect of different power source patterns on prepared calcium phosphate coatings by electrochemical deposition technique using constant current and pulse current.
通过采用恒电流模式和脉冲电源模式考察不同的电源模式对电沉积磷酸钙涂层的影响。
Said oneself boils water in the school bedroom with the power source, is held by the school. Is criticized by school teacher. Also wants the circular.
说自己在学校的寝室里用电源烧水，被学校抓住了。被学校的老师批评了。还要通告。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源，附加晶闸管直流斩波器组成的。
In interconnected hybrid wind farm system, the voltage fluctuation can be alleviated and the reactive power can be controlled by voltage source converter.
在风电场混合并网系统中，通过电压源换相高压直流输电可以控制系统中的无功功率、抑制并网公共点的电压波动。
The series active power filter (SAPF) can compensate the harmonic distortion caused by voltage type harmonic source.
串联型有源电力滤波器可较好地补偿电压源型谐波源。
The companys products convert and control raw electrical power from any central, distributed, renewable, or backup power source into high-quality power required by electronic and electrical equipment.
该公司的产品从任何转换和控制中心，分布式，可再生，或将电子和电气设备需要高品质的电源备用电源原料的电力。
The former one restrains the source of interference, turns down the noise triggered by power and lays out rationally the ground wires and power wires.
硬件技术如抑制干扰源、减小电源噪声、合理布局地线及电源线等。
By analyzing each error source of power meter calibration device, the uncertainty of power meter calibration device is analyzed and calculated with mathematical statistics and experimental method.
通过对电能表校验装置的各项误差源的分析，利用数理统计和实验方法对电能表校验装置的不确定度进行分析和计算。
Pulse width modulation is used to reduce the total power delivered to a load without resulting in loss which normally occurs when a power source is limited by a resistive element.
脉宽调制技术是用来降低总功率交付给了负荷，没有造成损失，这是通常发生时，电源是有限的，由电阻芫件。
The hybrid electric power source composed of Ultracapacitor and storage battery may satisfy the demands about power density and energy density proposed by many types of electric facilities.
它与蓄电池组合成的混合动力电源，可以满足多种用电设备对电源提出的功率密度和能量密度的要求。
In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.
在交流电场中，利用介质阻挡层和高频激励源，可获得稳定均匀的大气压下辉光放电。
The sensitivity can be improved by designing light source power stabling circuit and constant temperature controlling circuit.
系统灵敏度可通过设计光源功率稳定电路和温度控制电路得到进一步提高。
The sensitivity can be improved by designing light source power stabling circuit and constant temperature controlling circuit.
系统灵敏度可通过设计光源功率稳定电路和温度控制电路得到进一步提高。
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