The value of a magnetic material core varies according to the frequency of operation.
核心价值一磁性材料根据不同的操作频率。
If a particular type of operation is not performed very often, the frequency can be reduced.
如果有一种特定类型的操作并不是经常执行，那么其频率可以降低。
If a particular type of operation is performed often, the frequency of the corresponding task can be increased to reduce the amount of work each task has to perform.
如果有一种特定类型的操作经常执行，那么相应任务的频率可以增加以降低每一项任务必须执行任务的数量。
For such a low frequency, which would only be resorted to when it is indispensable for the operation of ordinary motors, I would use a secondary winding wound from a wire 50 miles in length.
对于如此低的频率，它将只有是依靠于当它对普通马达运行时不可缺少，我将使用一个次级线圈创伤自一根50英里长的线。
The paper introduces the technique feature and the operation principle of chip CS5460A, and its application in high-accuracy power frequency voltage, current, power, power factor, frequency meter.
本文介绍了CS5460 A芯片的特点、工作原理及其在高精度工频电压、电流、功率、功率因数、频率表中的应用。
Infrared thermal sensors are used in a wide variety of application which require room temperature operation and uniform sensitivity over a wide modulation frequency range.
热型红外传感器应用广泛，它要求在室温条件下工作，在宽的调制频率范围内具有均匀的灵敏度。
The main reasons to affect the operation frequency of two state hysteresis current regulator for motor control system are analyzed by theory and experiment.
从理论和试验两方面分析了影响电机传动系统中滞环两态电流调节器工作频率的主要因素。
The averaged thrust of PDE increases almost linearly with the operation frequency.
脉冲爆震发动机的平均推力随着工作频率的提高接近线性增大。
As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
作为一次练习，估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数；
Some opinion about condenser compensation in operation based on characteristics of large power industrial frequency furnace.
根据大功率工频感应炉的特点，介绍了其在运行中对电容补偿的几点意见。
The abnormal frequency operation capability of large turbo-generator is reviewed.
讨论大型汽轮发电机应具有的频率异常运行能力。
When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
The frequency of fraud in the operation of private lotteries resulted in their prohibition by many countries, and subsequently most public lotteries also were discontinued.
私人彩票频繁的欺骗操作导致其在许多国家遭禁，随后大多数公共彩票也停止发行。
Melting characteristics of MF induction furnace have been expounded with comparison with that of mains frequency induction furnace as well as concerns in operation.
论述了中频感应电炉的特点，与工频感应电炉熔炼特性的比较及其操作注意事项。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统，以适应大型发电机端部固定改造维修后的检测要求。
Automatic generation control (AGC) is one of the important measures to regulate the frequency and active power of power grid and ensure its security and economic operation.
自动发电控制(agc)是调整电网频率与有功功率、保证电网安全、经济运行的重要措施之一。
The gas accident frequency in the operation of the gas boiler is higher.
煤气锅炉运行中煤气事故的发生频率较高。
Apply frequency conversion technique to save energy, improve the shift peak load capacity of electric network for the units and ensure the safe and stability operation of network.
利用变频调速技术节约电力，提高电网对机组的调峰能力，保证电网的安全稳定运行。
Two kinds of wind power generation systems are introduced as well as the frequency control, power control and rotational speed control of generator in parallel operation.
介绍了风力发电系统的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
The millimeter wave frequency with the advantages of the optic and the microwave exists between the frequency of them, and it's the perfect operation frequency of precision guidance weapon system.
毫米波的频率介于微波与红外频段之间，兼有二者的优点，是精确制导武器系统较为理想的工作频段。
Sampling point number of every pulse cycle, instantaneous pulse frequency and period was gained with program operation.
经程序运算得到每个脉冲周期的采样点数，瞬时脉冲频率和周期。
The numeric simulation of electromagnetic responses in frequency domain for electrical anisotropic formation is a challenge in current conditions of computer memory and operation speed.
在现有计算机内存和运算速度条件下，电性各向异性地层中频率域电磁响应的数值模拟是一个难点。
Short response time: it's fit for switching on & off frequently and the occasion of high-frequency operation.
响应时间短：适应频繁开关以及高频运作的场合。
Accurate and fast estimation of electric frequency is the basis of operation, control, and regulation of power system and electric equipments.
电频率快速、准确测量是电网及电气设备运行、控制、调节的基础。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
本文介绍了带有源负载时，小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
The allowable duration of abnormal frequency operation for large turbo-generator sets provided by the main manufactories on the world is listed.
列举了世界各国生产的大机组频率异常运行允许时间。
Results:After a period of rehabilitation treatment, plastic operation was omitted in some patients, and in others the operation frequency and the area of skin graft were reduced.
结果：部分患者免除了手术，有的减少了手术次数与植皮面积。
A new mechanical structure with winch, staff and gimbal is used to develop a gyrometer test table to realize the high frequency of the operation.
为了使测量双轴摇摆台实现高频率的运动，机械结构上设计采用了一种新型的曲柄、连杆、万向节机构；
The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system.
所得结论对于电力系统低频振荡的抑制以及电力系统稳定运行具有重要的参考价值。
The efficiency of a parallel connection double-pump irrigation System is not only related to the break - down and recovery frequency but also to the operation and maintenance fashion of the System.
双泵并联灌溉系统的有效度不仅与机组故障率和修复率有关，而且与系统的运行方式及维修方式有关。
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