It is what is called a dipole field with a north and South pole.
它就是所谓的偶极场——具有一个北极和一个南极。
This article describes the working principle of the dual-pole field breaker with high energy nonlinear ZnO resistor and the essential conditions for successful deexcitation.
阐述双断口磁场断路器配高能氧化锌非线性电阻灭磁系统的工作原理、成功灭磁所必须具备的条件；
The night's track and field events had ended except for the women's pole vault, a sport that rarely gets top-billing.
晚上举行的田径赛事除了女子撑杆跳高以外的其它项目都已经结束。
When flown vertically on a pole, the stars and blue field, or union, is at the top and at the end of the pole (away from your house).
当在垂直旗杆上飘扬的时候，星星和蓝色的领域，或者是联盟，是在顶部(避开你家的地方)。
Play in the spring, flying over the green field, on the surface, some play tired poles that swallows stood on a few mark pole.
在春天中玩耍，飞过青绿的田野，在水面盘旋，一些玩倦的燕子则站在电线杆那几痕电线杆上。
Both nonreciprocal birefringent effect and variable polarization effect of microwave ferrite in the symmetrical four-pole magnetized field are discussed in the light of coupling-wave theory.
本文用耦合波理论处理了对称四磁极磁化情况下，微波铁氧体的非互易双折射效应和变极化效应。
Research in this paper is about the alternative rule of the axial force of supporting pole with different support height during the period of casting concrete through field detection.
本文通过现场检测实验，研究了不同高度支撑架内力随混凝土浇筑过程的变化规律。
The Ceramic Pole Fluorescent lamp (CPFL), which has recently been invented, has made a great achievement in the field of gas discharge lamps.
新型陶瓷电极荧光灯(CPFL)的问世，成为气体放电光源领域的一项重要突破。
All its metal pole pieces in place for higher gap field strength.
所有的金属在磁场强度更大的缺口磁极位置。
Earth is a very large magnetic field, the magnetic field lines from the North Pole, the Earth's surface into the South Pole.
地球是一个无比巨大的磁场，其磁力线由北极出来，经地球表面而进入南极。
In fact, however, the N-pole side and the S-pole side are excited through the same field winding, which means that this model shows MMF that is only half the actual value.
事实上，N极边和s极边由相同的励磁绕组励磁，这意味着模型中的磁动势只是实际磁动势的一半。
Unquestionably, modern test techniques had come to play an important pole in the archaeological field, especially to research the ancient lacquer wares.
毫无疑问，科技手段日益成为考古研究领域的重要工具，它在研究古代漆器时发挥了重要的作用。
In the gap magnetic field of pole changing synchronous machine, there would be large harmonics, which have some effects on the operating performance of the machine.
由于变极同步电机气隙磁场中将存在较大的谐波，这些磁场谐波对电机运行性能将产生一些影响。
Pole pieces, key parts on electrical motor, reduce the reluctance of the air-gap; improve the static magnetic field distributions and fix the excitation windings.
极靴是电机上的关键零件，其作用是使气隙磁阻减小，改善磁场分布，并使励磁绕组容易固定。
Magnetic field curve distortion is found at the position of magnetic pole edge in Hall effect experiment, using HL-5 Hall effect testing instrument.
在利用HL-5霍尔效应测试仪测量磁场的实验中，发现有些仪器的测量曲线在磁极边缘附近存在畸变。
In a permanent magnet brushless motor, airgap field excited by a 2-pole magnet ring with parallel magnetisation is sinusoidal.
永磁无刷电机中，平行充磁的2极磁环产生的气隙磁场是正弦分布的。
Each pole stands on a pedestal 176.3mm in diameter installed on the floor of the Field.
每个竖杆都插在安放在场地上直径为176.3mm的圆柱基座上。
The efficiency of an automotive claw-pole alternator system was computed using a field-circuit method.
用场路结合方法计算一种新型汽车用爪极发电机系统效率。
The phoenix stays not only in Arabia but it flies around the far North Pole, broad field, above the rivers where the sunshine falls in coal mines and in our front yards where beautiful flowers bloom.
凤凰不只是停留在阿拉伯地区，它还飞向遥远的北极，广阔的田野，盘旋于位于河流上方阳光普照的煤矿区，或者停留在我们鲜花盛开的前院内。
There is a force field around the arbitrary magnetic pole.
在任一个磁极的周围有一个力场。
How they obediently followed the bamboo pole to scamper over field, hillside after hillside!
又多么驯服地随着他的竿头越过一个田野又一个山坡！
The step through test and independent activity were used to observe effect of uneven constant magnetic field pole N and S on learning and memory impairment induced by hypobaric hypoxia .
用避暗实验法和自主活动法，分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
All field cases with rivet type pole shoes must be inspected for rust and brush length.
所有带铆钉式极靴的中体必须检查是否生锈和炭刷的长度。
The simulations also show that the magnetic field from the excitation windings directly influences the field distribution at the end of the quadrupole magnet if the pole neck is too short.
短极颈四极磁铁励磁线圈本身的磁场直接影响四极磁铁极端面附近的磁场分布。
Like synchronous motor, rotor magnetic pole center line could lagged behind an Angle of that of air-gap magnetic field under the function of load torque (called angular displacement).
步进电动机象同步电动机一样，在负载转矩的作用下，转子磁极中心线将滞后于气隙磁场的中心线一个角度，称为失调角。
The effects of structure, gap magnetic field, rotor thickness, magnetic pole Numbers of rotor and winding layers of stator of the micromotor on it's output torque are discussed in detail.
从微马达结构、气隙磁场、转子厚度、转子写入磁极数和定子绕组的层数对微马达输出力矩的影响进行了分析和讨论。
The pole vault is truly the highlight of any track and field competition.
撑竿跳高确实是所有田径比赛中最精彩的项目。
The configuration of double-pole induced-excitation with cross-connected rotor field coils can obviously increase the mmf transfer coefficient of DPIE synchronous generator.
转子绕组交叉连接倍极感应励磁新结构可显著提高倍极感应励磁同步发电机的磁势感应系数。
Because the length of the power coil designed is longer than that of the GMM pole, magnetic symmetry is kept well and a higher intensity of magnetic field is obtained under the same current.
设计的线圈长度大于驱动棒长度，不仅保证了驱动棒所处磁场的均匀性，而且在获得相同强度的磁场时减小了稳定工作时的电流。
Because the length of the power coil designed is longer than that of the GMM pole, magnetic symmetry is kept well and a higher intensity of magnetic field is obtained under the same current.
设计的线圈长度大于驱动棒长度，不仅保证了驱动棒所处磁场的均匀性，而且在获得相同强度的磁场时减小了稳定工作时的电流。
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