Be inversely (directly)proportional to与……合成反（正）比The computer system计算机系统collect solar energy搜集太阳能collect stamps集邮Conventional sign 通用标志Conventional units of measurement 常用的计量单位Crank handle(case)手摇曲柄（去冰箱）chemical power化学能Diesel power plant柴油发电厂Diesel engine generator柴油发电机Direct(alternating) current (DC)直流电（交流电）a electrical power system电力系统Electrical(mechanical) energy电能（机械能）Electromagnetic principle电磁原理a hydraulic turbine水轮机Mechanical power机械能A magnetic field 磁场a steam turbine汽轮机synthetic gas(fiber)合成气体（纤维）petroleum products石油产品petroleum equipment石油设备potential energy(resources)潜在的能量（资源）Prime mover(energy)原动机（原始能）light (heavy)nuclear particles轻（重）荷粒子nuclear reactions(weapons)核反应（核武器）A thermal power station 火力发电站The thermal unit热量单元Torque requirement转矩要求The rotor shaft转轴Rotor core转子铁芯nuclear fission核裂变nuclear safety 核安全chain letter连锁反应chain reaction连锁信号steam cycle蒸汽循环steam power蒸汽动力fluid medium流质体fluid mechanics流体力学nuclear fuel核燃料solid fuel固体燃料fissionable isotope可裂变同位素fissionable materials可裂变物质critical mass临界质critical load临界负载nuclear energy核（原子）能thermal energy热能commercial reactor商用（核）反应堆atomic reactor核反应堆heat source 热源redioactive source放射源availability of machinery机械的可用性availability of the equipment设备的可用性high pressure zone 高压地带low pressure zone低压地区commission of a nuclear power station核电站的运行after commission投产后precentage of outages停机率percentage of maintenance维修率instant loading瞬间负载take full load完全负载shutdowns for check停机检查shutdowns for repairs and maintenance停机保养13.self-replenishing energy自行补充的能源self-replenishing water capacity 自行补充的水容量construction of a reservoir修建水库construction of a dam大坝的建筑a system of farm irrigation农田灌溉系统a system of automatic drains自动排水系统the multi-purpose harness of the Yellow Valley黄河流域的综合治理the development of Yangtse Valley长江流域的开发time invariant steady-state时间恒定不变的稳定状态sinusoidal steady-state正弦稳定状态conducting materials导体原料conducting wires导线maximum current density最大电流密度weight density重度a transmissionqd line输电线路a transmission system传输系统plane surface平面quipotential surface等势面额power system电力系统power apparatus电力仪表instantaneous value瞬时值average value平均值fluid insulation液体绝缘solid insulation固体绝缘resistance network电阻网络network structure网状组织allowable current允许电流allowable load许可负载the protective relay继电保护器induction-type relays感应型继电器voltage signal电压信号current signal电流信号measuring operation测量动作instantaneous operation瞬时动作alternating current circuits交流电路direct-current circuits直流电路static devices静态设备rotating equipment 转动设备magnetic-induction typesv磁感应型types of various blood 各种血型the pole face极面the pole star北极星a permanent magnet永久磁铁a permanent committee常设委员会a cooling system冷却系统a railway system铁路系统abnormal operation非正常运行normal operation正常运行Long-distance communication远距离通信Long-distance transmission远距离传递Voice band communications channel 音频通信信道Selecting the voice channel选择信道Frequently modulation频率调制Velocity modulation速度调节Digital pulse数字脉冲Error pulse误差信号脉冲Give priority to the one computer 给一个计算机以优先权Give priority to women and children给妇女儿童以优先权Have access to the central computer有进入主计算机的通道Have access to the library有权利使用图书馆Go out of commission 脱离了权限命令Go out of date过时了Be identified as the primary被标识为主机Be identified as transmission被标识为信息传递Relay the information to its intended destination将信息转发给预期的目的Relay TV programmes to foreign countries将电视节目传播到国外Control system 控制系统eating system加热系统HPhysical quantity 物理量Known quantity已知量Analog technique模拟技术Digital technique数字技术Data-handling capability 数据处理器能力Heat transfer capability传热能力Desired value理想值Given value给定值Modify the system 调整系统Modify the design修改设计Have no effect on对。

没影响Eliminate the effect消除影响Regulate the heat 调节热量Regulate the speed速度调整Predetermined value预定值Predetermined range预定范围Dynamic characteristics动态特性The following characteristics以下特性power distribution 配电power transmission输电Similar相似different from不同generating facilities 发电设备transporting facilities运输工具primary grid substation 主网变电站step-up station升压变压站transmission system 输电系统distribution system配电系统voltage levels 电压水平water levels水位water power水力electric power电力Underground design地下设计structural design结构设计network system 网络系统radial system辐射系统maintaining service 维修保养free medical servise公费医疗maintain an electric power supply保障供电maintain a water supply保障供水from mouth to mouth广泛流传from year to year逐年be dependent on electric power依靠电力be dependent on one’s own依靠自己rise steadily持续上涨work steadily平稳地工作severe demands严格的要求severe punishment严厉地惩罚exclusive rights特权exclusive law专利法keen competition激烈的竞争a keen desire强烈的愿望other forms of energy其他能源形势other forms of government其他政体predict in advance提前预报pay rent in advance预付资金electrical energy电能nuclear energy核能He has a great amount of work to do他有大量工作要求The government will impose a further tax on wines明年政府将对葡萄酒进一步加税They granted him permission to go他们准许他去It’s impossible to know in advance what will happen预知未来发生的事是不可能的Heavy traffic交通拥挤是许多老城市的难题Alternating motors can be classified into synchronous motors and induction motor交流电动机可分为同步电动机和异步电动机Torque requirement must be taken into consideration in selecting a motor在选择电动机时必须考虑其转矩要求Both the wire and the field are in motion but not at the same rate线圈与磁场都在运动，但其速度各异。