| 单词 | magnetic field |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Lorentz force〕The orthogonal force on a charged particle traveling in a magnetic field.劳仑兹力：作用于穿过磁场的电荷粒子的垂直力美国传统〔Zeeman effect〕The splitting of single spectral lines of an emission spectrum into three or more polarized components when the radiation source is in a magnetic field.塞曼效应：当辐射源在磁场中时，单个发射光谱的谱线在三个或更多的极化分力中的分裂现象美国传统〔biomagnetism〕The magnetic field created by a living organism.生物磁场：活生物体创造的磁场美国传统〔biomagnetism〕The effect of an external magnetic field on living organisms.生物磁学：外部磁场对活生物体的效应美国传统〔circle〕His tension and anxiety circled out from him like magnetic fields.他那紧张和焦急的心情像磁场般影响四周。英汉大词典〔circuitry〕The circuitry in this fighter aircraft has been protected against strong magnetic fields.这架战斗机的电路系统有防护装置，不会受强磁场的干扰。剑桥高阶〔coercivity〕The intensity of the magnetic field needed to reduce the magnetization of a ferromagnetic material to zero after it has reached saturation.矫顽力：磁场的强度，为在强磁性的物质达到饱和之后，把它的磁化作用缩小到零所必需美国传统〔core〕Electricity A soft iron rod in a coil or transformer that provides a path for and intensifies the magnetic field produced by the windings.【电学】 铁心：包在线圈内或变压器中的柔软铁条，用于提供道路和加强由线圈曲转产生的磁场美国传统〔degauss〕To neutralize the magnetic field of (a ship, for example).消去磁场：消去（例如，船只）的磁场美国传统〔electron lens〕Any of various devices that use an electric or a magnetic field to focus a beam of electrons.电子透镜：通过一个电场或一个磁场来使一束电子会聚的一种装置美国传统〔field magnet〕A magnet used to produce a magnetic field in an electrical device such as a generator or motor.场磁铁：在电设备里用于产生磁场的磁铁，比如发电机或马达美国传统〔flux gate〕A detector used to indicate the direction of the earth's magnetic field.磁通量闸门：一种用于显示地球磁场方向的探测器美国传统〔flux〕The lines of force of a magnetic field.磁力：磁场的磁力线美国传统〔galvanomagnetic〕Of or relating to the generation of an electric field by a magnetic field in semiconductors and metals.电磁的：属于或关于在半导体和金属中由磁场产生电场的美国传统〔heliosphere〕The region in space through which the sun's gases and magnetic field extend.日光层：太空中的一个区域，太阳经过此区域时其气体及磁场均受扩张美国传统〔hysteresis〕The lagging of an effect behind its cause, as when the change in magnetism of a body lags behind changes in the magnetic field.滞后现象：一个结果在原因之后拖沓，比如一个物体的磁化变化要比一个磁场变化慢美国传统〔inclinometer〕An instrument used to determine the angle of the earth's magnetic field in respect to the horizontal plane.磁倾仪：用来测定地球磁场相对于水平面的角度的仪器美国传统〔inflame〕The shifting magnetic fields energize particles in the Earth's atmosphere and inflame the northern lights.不断转移的磁场使地球大气中的粒子能量增加, 从而点亮了北极光。外研社新世纪〔isodynamic line〕A line on a map connecting points of equal strength of the earth's magnetic field.等磁力线：位于地图上将地球磁场相同的点连结的线美国传统〔magnetic bottle〕A magnetic field used to confine plasma, as during nuclear fusion.磁瓶：用来控制离子区域的磁场，如在核聚变过程中美国传统〔magnetic flux〕A measure of the quantity of magnetism, being the total number of magnetic lines of force passing through a specified area in a magnetic field.磁通量：衡量磁性强度的单位，指一个磁场中通过某一特定区域的磁力线的数目总和美国传统〔magnetic intensity〕A quantity used in describing magnetic phenomena in terms of their magnetic fields and magnetization.磁场强度：一个描述关于磁场和磁化作用中磁性现象的矢量美国传统〔magnetic permeability〕The ability of a substance to acquire high magnetization in relatively weak magnetic fields.导磁系数，导磁率：在相对较弱磁场中获得高磁化物质的能力美国传统〔magnetic variation〕Differences in the earth's magnetic field in time and location.磁偏角：地球磁场在不同时间、不同地点的偏差美国传统〔magnetism〕The class of phenomena exhibited by a magnetic field.磁性：磁场显示的一组现象美国传统〔magnetism〕The force exerted by a magnetic field.磁力：由磁场施加的力美国传统〔magnetization〕The process of making a substance temporarily or permanently magnetic, as by insertion in a magnetic field.磁化：使一个物体具有暂时或永久性磁性的过程，例如把一个物体放入磁物中美国传统〔magnetograph〕A device for detecting and recording variations in the intensity and direction of magnetic fields.磁场记录仪：用来探测和记录磁场强度的方向和强度的装置美国传统〔magnetohydrodynamics〕The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma.磁流体动力学：对磁场和导电的液体或气体，诸如熔化的金属或者等离子区之间的相互作用的研究美国传统〔magnetometer〕An instrument for measuring the intensity and direction of a magnetic field.磁强计：测量磁场的强度和方向的工具美国传统〔magnetoresistance〕A change in electrical resistance of a conductor or semiconductor when a magnetic field is applied.磁致电阻：当磁场产生作用时导体或半导体的电阻变化美国传统〔magnetorheology〕The study of the changes in flow properties that occur in certain fluids exposed to magnetic fields.磁流变：对暴露于磁场中的某些流体中发生的流体属性变化的研究美国传统〔magnetostriction〕Deformation of a ferromagnetic material subjected to a magnetic field.磁致伸缩：由磁场决定的磁铁材料的变形美国传统〔magnet〕An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.磁体：处于磁场包围中的一个物体，具有天生的或者是引发的吸引铁或钢的特性美国传统〔paleomagnetism〕The magnetic field present in fossilized rocks, created by the earth's magnetic field when the rocks were formed.古地磁：存在于化石中的磁性，于岩石生成时受地磁影响而产生美国传统〔paleomagnetism〕The earth's magnetic field as it existed in the past.古地磁：存在于地球古代的磁场美国传统〔permanent magnet〕A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.永久磁铁：从磁场移开之后仍保持其磁性的一块磁性材料美国传统〔pinch effect〕Radial constriction of flowing plasma or other matter carrying an electric current, caused by the magnetic field that is produced by the current.箍缩效应，捏缩效应：流体或其它带有电离子流的物体的由电流磁场引起的辐射减缩美国传统〔punch〕A meteorite collided with Earth at the same time, delivering a one-two punch to the magnetic field.同时，一颗陨石撞上了地球，给磁场造成了双重打击。朗文当代〔saturation〕Physics A state of a ferromagnetic substance in which an increase in applied magnetic field strength does not produce an increase in magnetic intensity.【物理学】 磁性饱和：在提高使用的磁场强度时不会使磁力密度升高的一种磁化饱状态美国传统〔solenoid〕An assembly used as a switch, consisting of a coil and a metal core free to slide along the coil axis under the influence of the magnetic field.螺形管：用作开关的组合，由线圈和在磁场的作用下可沿线圈的轴心自由滑动的金属芯组成美国传统〔sunspot〕Any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields.黑子：周期性地成群出现在太阳表面的温度相对较低的暗点，与强磁场有关美国传统〔synchrotron radiation〕Electromagnetic radiation emitted by high-energy particles when accelerated to relativistic speeds in a magnetic field.同步加速器辐射：高能量粒子在某磁场中当被加速至相对速度时放出的电磁辐射美国传统〔tokamak〕A doughnut-shaped chamber used in fusion research in which a plasma is heated and confined by magnetic fields.托卡马克：一种用于聚变研究的环形室，等离子体在其中被加热并被电磁场约束美国传统Bees navigate with the help of magnetic fields.蜜蜂靠磁场辨清方向。剑桥国际It shows the presence of a magnetic field. 这表明有磁场存在。译典通The circuitry in this fighter aircraft has been protected against strong magnetic fields.这架战斗机里的电路系统受到保护, 不受强磁场影响。剑桥国际 |
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