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1、ram compressor 冲压式压气机ram cylinder 柱塞式油缸，活塞式油缸ram drag 冲压阻力Ramey circuit 拉米逻辑电路(一种磁心逻辑电路)ram feeder 活塞给煤机，推煤柱塞ramification 分支，分叉，分派，门类，支线，支流ramify 分支RAMIS (rapid access management information system) 快速存取管理信息系统rammed clay 夯实粘土rammed-earth 素土夯实rammed-earth house 干打垒rammer 夯土机ramp 倾斜，斜面，坡道，滑台，倾斜端头；接线夹；
2、瞬变的ram pack 基础垫铁ramp characteristic 加速特性曲线ramp function 直线上升函数ramp generator 斜坡发生器；斜波发生器ramping 主汽压跃升过程ramp input 瞬变输入ramp input signal 瞬变输入信号ramp insertion of reactivity 反应性线性引入ramp load change 负荷线性变化ramp power change 功率线性变化ramp rate 缓变率，倾斜率；等变率ramp reactivity insertion 反应性线性引入ram pressure 冲压压力；冲压；
3、速度头；全压力ramp voltage 斜坡电压ram steam pile driver 汽锤打桩机ram the earth 把土夯实Ramzin(-sin) boiler 拉姆辛锅炉(管圈盘旋上升的直流炉)RAN (read-around numbers) 周围读数RANDAM (random-access nondestructive advanced memory) 随机存取非破坏性的先进存储器random 随机的，无规则的，机遇的，随便的，随机过程；任意的，偶然的random access 随机存取，随机访问；随即存取random access and correlation fo
4、r extended performance 扩展性能的随机存取及相关性random access card equipment 随机存取计算机装置random access control 随机存取控制器random access discrete address 随机存取离散地址random access discrete addressing system 随机存取离散编址系统random-access disk file 随机存取磁盘文件，随机访问磁盘文件random access file 随时存取外存储器random-access input/output 随机存取输入/输出ran
5、dom-access memory 随机存取存储器random-access memory(RAM) 随机存取存储器；随机访问存储器random access method 随机存取法random access method of accounting and control 计算和控制的随机存取法random-access nondestructive advanced memory 随机存取非破坏性的先进存储器random access parallel tape 随机存取并行带random access programming 随机存取程序设计，随机访问程序设计random access
6、 storage 随机存取存储器，随机取数存储器random access storage and control 随机存取存储器和控制器random access storage and display 随机存取存储器和显示器random access storage device 随机存取存储装置random access time 随机存取时间random addressing 随机寻址，随机编址random check 抽查random-coding bound 随机编码限random coincidence 偶然符合random correlation method 随机相关法ran
7、dom counting error 无规计数误差random crack 不规则裂纹；不规则裂缝random defect 不规则缺陷，杂乱缺陷random diffusional motion 无规则扩散运动random distribution 随机分布；随机分配random disturbance 随机扰动，随机骚扰random error 随机误差；偶然误差；无规误差random-error-correcting 纠正随机错误random event 随机事件，偶然事件random excitation 无规则扰动；随机激振random failure 随机故障，偶然故障random
8、 fatigue 随机疲劳random fault 偶然故障random fluctuation 随机起伏；随即起伏；不规则起伏，随机变动random forcing function 随机强制函数random function 随机函数random Gaussian number 随机高斯数random incidence 随即入射random inhomogeneous medium 随即不规则介质random inspection 抽查random item 无规则件randomization 随机化，无规则化randomize 使不规则化，使随机化randomizer 随机数发生器ra
9、ndom jump motion 随机跳跃运行randomly fluctuating 随机起伏randomly fluctuating data 随机涨落数据randomly oriented flaw 随即取向缺陷randomly packed bed 随机堆积床randomly time-varying linear system 随机时变参数线性系统；随机时变线性系统random motion 随机运动random multiple access 随机多路存取randomness 随机性random neutron density wave 随机中子密度波random noise 杂乱
10、噪声，无规则噪声，随机噪声random noise background 随机噪声背景random noise level 随机噪声级random-number 随机数random-number generator 随机数发生器random order 任意状态，任意顺序，随机位random oscilation 随即振动random packing 随机填料，无规则填充random paralleling 非同期并车，自同期，不规则并联random phase 随机相位random process 随机过程，随机处理random processing 随机存取数据处理random pulse
11、 随机脉冲，杂乱脉冲；随即脉冲，无规脉冲random pulse sequence 随机脉冲序列random quantity 随机量random reactivity 随机反应性random red dots 不规则的红点(显示)random rubble wall 乱石墙random sampling 任意取样，随机取样，抽样，随机采样；随即采样；随机抽样random scanning 随机扫描random search 随机搜索random sequence 随机序列random signal 随机信号random signal analysis technique 随机信号分析技术ra
12、ndom superimposed coding 随机叠加编码random surface renewal 无规则表面更新random synchronizing 自同期，不规则同步random turbulence 无规则湍流random variable 随机变数，随机变量random vector 随机矢量random vibration 随机振动；随即振动，无规振动random walk model 随机行走模型random winding 不规则线圈，散下线圈，散嵌绕组random wound coil 散绕线圈randon-access memory 随机存储器range 范围，距
13、离，量程，整理，排列，域；区间，区段range ability 幅度变化范围(被调量的)range adjustment 范围调整range arithmetic (interval arithmetic) 区间运算range calibration 距离校正range change-over switch 量程转换开关range changing 变量程range changing switch 量程变换开关range coal 块煤(2550毫米的无烟块煤)range control switch 量程控制开关range conversion 距离变换range correction 距离
14、校正range coverage 覆盖量程，覆盖区段range determination 距离测定range extension 范围扩大，量程扩展range finder 测距计range finding 测距range-gate generator 距离选通脉冲发生器range indicator 距离指示器range interval 间距range measurement 测距range of adjustment 调节范围，调节区域range of allowable error 容许误差范围range of a loop 循环的区域range of hearing 听觉范围ran
15、ge of heat-supply service 供热半径range of indication 指示范围range of instability 不稳定区，不稳定范围range of instrument 仪表量程range of linearity 线性范围，线性区域range of load fluctuation 负荷波动范围range of loading 负荷范围range of nominal tension 额定电压范围range of operation 操作范围，工作范围，运行范围range of price 价格范围，价格变动range of regulation 调节
16、范围range of sensitivity 灵敏度范围range of speed 转速范围range of speed control 转速控制范围，变速范围range of stability 稳定范围；稳定阶段range of stress 应力范围；应力幅度range of temperature 温度范围range of transmission 发送范围，传输范围range of use 使用范围range of variation 偏差范围，变化范围，变化区域range resistor 量程电阻器range scope 距离指示器range selection 量程选择ran
17、ge selector 波段开关，距离转换开关range span 量程范围range switch 量程开关，波段开关range system 母管制range-to-go 到达目标的距离range unit 测距装置ranging 测距，距离调整，广泛搜索rank 排，列，级；分级，入列；煤的品位Rankine cycle 朗肯循环Rankine (vapor)cycle 郎肯循环Rankine-cycle efficiency ratio 朗肯循环效率比(与朗肯循环相比的相对效率)Rankine cycle power plant 朗肯循环发电设备Rankine scale 朗肯温标(以
18、华氏温度数表示的绝对温标)Rankine(-cycle) thermal efficiency 郎肯循环热效率rank of matrix 矩阵的秩RANSER (resource allocation and network scheduler) 资源分配及网络调度程序RAP (reliability assurance program) 可靠性保证程序RAP (resource allocation processor) 资源分配处理机RAPID (relative address programming implementation device) 相对地址程序设计装置；相对地址程序执行
19、装置rapid access 快速存取rapid access data 快速存取数据rapid access device 快速存取设备rapid access disc 快速存取磁盘rapid access loop 快速存取回路rapid access management information system 快速存取管理信息系统rapid access memory 快速存取存储器rapid access storage 快速存取存储器，快速取数存储器rapid action valve 快动阀rapid-activity loss 快速活性损耗rapid aging 快速老化rap
20、id analysis method 快速分析方法rapid automatic checkout equipment 自动快速检查装置rapid circuit etch 快速电路蚀刻rapid circulation 快速循环rapid control rod insertion 控制棒快速插入rapid cooling 快速冷却rapid emergency insertion of the control rods 控制棒的紧急快速插入rapid filter 快滤池(器)；高速过滤器rapid filtration 快滤rapid fluctuation 急剧波动rapid forc
21、ing voltage 快速强励电压rapid-hardening cement 快干水泥，快硬水泥rapid infiltration 快速渗滤rapid information technique for evaluation 快速信息鉴定技术rapid insertion 快速插入rapid internal storage 快速内存储器rapidity 迅速；速度rapidly extensible language 可快速扩充语言rapid mix and flocculation basin 快速混合絮凝池rapid permeability 快速渗透rapid printer 快
22、速打印机，快速打印装置，快速印刷装置rapid random access memory 快速随机存取存储器rapid record oscillograph 快速记录示波器rapid replacement 快速置换rapid response motor 快速响应电动机rapid-rise test 快速升压试验rapid sand filter 快速砂滤器；快速沙滤池rapid screw 大节距螺钉rapid shutdown 快速停堆rapid start 快速起动rapid start lamp 快速起动灯，瞬时起动灯rapid storage 快速存储器，高速存储器RAPIT (
23、record and process input table) 记录及进程输入表raplot 等点绘图法(荧光屏上的)rapper 振动器rapping 振动，(除尘器)集尘电极的定期振打rapping device 振动装置rapping gear 振动装置RAPTAP (random access parallel tape) 随机存取并行带rare earth 稀土的，稀土族rare earth element 稀土元素rare element 稀有元素rarefaction 稀疏，稀化，稀薄rarefaction state 稀疏状态rarefaction wave 稀疏波rarefi
24、ed gases 稀薄气体rarefy 抽空，抽稀，稀薄化；抽真空rare gas 稀有气体；稀薄气体rare metal 稀有金属rare metal couple 稀有金属温差热偶RARP (reverse address resolution protocol) 逆地址解析协议RAS (reliability,availability,serviceability) 性能最佳性(可靠性、可用性及可修性)Raschig (ring) 拉西环(填料)Raschig ring 拉西环；拉希环RASP (reactor analysis support package) 反应堆分析支持包RAST
25、AC (random access storage and control) 随机存取存储器和控制器RASTAD (random access storage and display) 随机存取存储器和显示器raster 光栅，扫描区(荧光屏)raster scope 光栅式阴极射线管ratchet 棘轮机构，棘爪，棘轮ratchet-and-pawl mechanism 棘爪机构ratchet blocking system 棘轮闭锁装置ratchet coupling 棘轮联结器，爪形联轴节ratchet cyclometer 棘轮回转计ratchet demand 计费基准最大需量rat
26、chet drill 棘轮扳钻ratcheting 棘轮效应；离合器，联轴节ratcheting deformation 棘轮效应变形ratchet pawl 棘轮掣子，棘轮卡子(步进电机的)ratchet relay 棘轮式继电器ratchet strain 棘齿应变ratchet wheel 棘轮rate 率，比率，比例，速度，定等级，定额，评定，程度，计算RATE (remote automatic telemetry equipment) 自动遥测装置rate action 速率作用，比率作用，微分导数作用rate aided signal 定标信号Rateau nozzle 渐缩喷嘴
27、，拉托喷管Rateau turbine 压力多级冲动式汽轮机rate control 比例控制，速度控制，速率控制，按被调量变化率调节，微分控制，微商控制rate controlling regime 速度控制系统rate controlling step 速度控制步骤rated 额定的，计算的，设计的，标称的，额定的rated accuracy 额定精确度rated back-to-back capacity bank breaking current 额定背靠背电容器组开断电流rated bleedoff temperature 设计的抽汽温度rated breaking 额定遮断功率ra
28、ted burden 额定负荷，额定负载，额定功耗rated cable-charging breaking current 额定电缆充电开断电流rated capability 额定出力rated capacitance 标称电容量rated capacity 额定功率，额定蒸发量；额定容量；额定容量能力；计算容量；额定能力，设计能力rated coil current 额定线圈电流rated coil voltage 额定线圈电压rated condition 额定工况；额定条件rated conditions 额定参数；额定状态；额定工况条件rated consumed power 额定
29、消耗功率rated consumption 额定耗量；额定消耗量；额定消耗，计算消耗rated contact current 额定触点电流rated contact voltage 额定触点电压rated continuous capacity 额定持续功率rated continuous current 额定持续电流rated continuous working voltage 额定连续工作电压rated current 额定电流rated current of generator 发电机额定电流rated current of switch 开关额定电流rated duration o
30、f short-circuit 额定短路持续时间rated duty 额定负载，额定功率，额定工作方式，额定工况，额定税费率rated efficiency 额定效率rate-determining step 速度决定步骤rated excitation 额定励磁rated fire-resistive period 额定耐火时限rated flow 额定流量rated frequency 额定频率rated frequency range 额定频率范围rated fuel power 额定燃料比功率rated governor 调速器rated heating capacity 额定供热量(
31、热水锅炉)；额定供热量rated high voltage 额定高电压rated horsepower 额定功率，额定马力rated impedance 额定阻抗rated impulse protective level 额定冲击保护水平rated impulse withstand voltage 额定耐冲击电压rated input 额定输入rated insulation class 额定绝缘等级rated kilovolt-ampere 额定千伏安，额定容量rated KVA 额定千伏安rated KVA tap 额定千伏安抽头rated life (time) 额定寿命rated
32、line-charging breaking current 额定线路充电开断电流rated load 额定负荷；额定负载rated load condition 额定负载运行工况；额定负载状态rated load excitation 额定负载励磁rated load operation 额定负荷运行rated load torque 额定负荷转矩rated operating conditions 额定运行条件rated operational current 额定工作电流rated operational voltage 额定工作电压rated out-of-phase breaking
33、 current 额定失步开断电流rated output 额定功率，额定出力，额定输出功率rated performance 额定性能rated power 额定功率rated power density 额定功率密度rated power factor 额定功率因数rated power operation 额定功率运行rated power output 额定输出功率rated pressure 额定压力rated primary current 一次侧额定电流rated primary voltage 一次侧额定电压rated quantity 额定量rated reliability
34、 额定可靠性rated resistance 标称电阻，额定电阻rated revolution 额定转数，额定转速rated ripple current 额定纹波电流rated ripple voltage 额定纹波电压rated rupturing capacity 额定遮断容量rated secondary voltage 二次侧额定电压rated short-circuit current 额定短路电流rated short-line fault breaking current 额定近区故障开断电流rated-short-time current 额定短时电流rated singl
35、e capacitor bank breaking current 额定单个电容器组开断电流rated slip 额定转差率，额定滑差rated specific speed 额定比转速rated speed 额定转速，额定速度rated steam condition 额定蒸汽参数rated temperature 额定温度；标称温度；规定温度rated temperature coefficient 标称温度系数rated temperature-rise 容许温升rated thermal power 额定热功率rated throughout 额定出力，额定生产能力rated torq
36、ue 额定转矩rated tube current 额定管电流rated uninterrupted current 额定持续电流rated VA 额定伏安(数)rated value 额定值rated voltage 额定电压rated voltage drop 额定电压降rated watts input 额定输入功率rated withstand voltage 额定耐压rate equation 速率方程rate equations 比率方程型rate feedback 速度反馈rate generator 比率发电机rate-grown 变速生长的rate gyroscope 速率陀
37、螺仪rate indicator 速率指示器rate integrating 速度积分rate integrating gyro 速度积分陀螺rate integrating gyroscope 速度积分陀螺仪rate limit 速率限制rate limitation 速度限制ratemeter 速率计，测速表，速率表，测速计；计数率计rate of absorption 吸收率rate of air circulation 换气次数，空气循环率rate of blowdown 排污率rate of boiling 蒸发率；沸腾强度rate-of-change 变化率，变率rate-of-c
38、hange indicator 变率指示器rate-of-change of circulation 环量变化率rate-of-change of frequency 频率变率rate-of-change relay 微分继电器，变率继电器rate-of-charge 充电速率，充电时间rate-of-climb 上升速度rate-of-climb indicator 爬高速度指示器rate-of-climb meter 上升速度表rate of combustion 燃烧速度rate of consumption 耗量rate of control-rod insertion 控制棒插入速率
39、rate of conversion 转化速率rate of cooldown 冷却速率rate of cooling 冷却速度rate of cooling-air flow 冷却空气流量rate of cooling-air required 冷却空气需要量rate of corrosion 腐蚀速率rate of crack growth 裂纹扩展率rate of crack propagation 裂缝扩展速度rate of creep 徐变速度，蠕变速率rate of crystal growth 晶体增长速度rate of curve 曲线斜率rate of damaged car
40、go 货损率rate of decay 衰变速率，衰减速度，衰减率；衰减速率rate of deceleration 减速率rate of decent 下降速度rate of deformation 变形速率rate of deposition 沉积速率；熔敷速度rate of depreciation 折旧率，贬值率rate of diffusion 扩散速率；扩散速度rate of disappearance 消失速率rate of discharge 流量，排出率，出口流量，放电率，放电时间rate of downward gradient 下降速度rate of effusion 流
41、出速度rate of emergency water make-up 事故补水量rate of energy loss 能量损失比rate of enthalpy increase 焓增加率rate of evaporation 蒸发率，蒸发量；蒸汽负荷rate of expansion 膨胀率rate of extension 延伸率rate of fall 塌落速度rate of feeding 投料速度rate of filtration 滤速rate of flow 流速；流率，流量rate of flow(-rate)increase 流量增加速率rate of frequency
42、change 频率变率rate of gas flow 气体流速rate of growth 增长率，增长速度rate of heat exchange 热交换率rate of heat flow 热流强度；热流率rate of heat generation 释热强度，热负荷rate of heating 加热速度，暖机速度rate of heat transfer 传热强度；热流率rate of incidence 入射率rate of information 信息漏失率rate of information throughout 信息传送速率rate of load change 负荷变
43、化速率rate of load growth 负荷增长率，负载增长率rate of loading 负载率；加载速度；加负荷速度rate of load up 负荷上升率rate of loss of coolant 冷却剂丧失率rate of mass transfer 质量转移速度，传质速度rate of metal consumption 金属消耗率rate of metal corrosion 金属腐蚀速率rate of motion 控制棒移动速率；提插棒速率rate of oil flow 油流量rate of oxidation 氧化速率rate of perforation 穿
44、孔速度rate of power change 功率变化速率rate of pressure change 压力变化速率rate of pressure reduction 降压速率rate of production 生产率rate of pulse repetition 脉冲重复频率rate of radiation 辐射强度rate of reaction 反应速率rate of reactivity change 反应性变化率rate of reading 读出速度rate of regulation 调节速度rate of repetition 重复率rate of residual information loss 残留信息漏失率rate of return 回收期限(投资)rate of return on investment 投资回收率rate of revolution 转速rate of rise 陡度，增长速度，上升斜率；增长速率，(曲线上升)斜率rate of rise of TRV 瞬态恢复电压上升率rate of rise restriking voltage 再击穿电压上升率，暂时恢复电压上升率rate of rotation 转速rate of scale formation 生垢率rate of self-purification 自净速度r