IT专业英语词典-B.doc

back annotation 逆向注解back channel 反向通道，反向信道back electromotive force 反电动势back filling 倒填入back light 背景照明back panel 背板back ripple current 逆向脉动电流back, loop 回环back-annotate 后端注释back-end 后端back-off, bus 总线退出back-scattering 反向散射back-to-back testing 背对背测试backbone cabling 主干线布线，主干布线backbone network 中枢网络backbone network architecture (BNA) 中枢网络结构background 背景background acquisition 背景采集backplane 底板；背板；基架backplane bus 基架总线backplane transceiver logic (BTL) 基架收发器逻辑backscatter 反向散射backtrace 回索backup 备存backup gap 备存间隙backup protection 备存保护backward diode 逆向二极管backward estimation 后向估计backward recovery 向后恢复backward-compatible 逆向相容baffle 隔板balance force 平衡力balance, analytic 分析天平balance, charge 电荷平衡balanced 平衡的balanced amplifier 平衡放大器balanced capacitance 平衡电容balanced circuit 平衡电路balanced conditions 平衡条件balanced line 平衡线路balanced mixer 平衡混合器balanced, link access protocol (LAP-B) 链路存取协定平衡balancing network 平衡网络ball bearing 滚珠轴承ball, solder 焊锡球ball-bearing fan 滚珠轴承风扇ballast 镇流管ballistic galvanometer 冲击电流计balun 平衡不平衡变换器banana plug 香蕉插头band 频带band spectrum 频带谱band spreading 频带散布band, carrier 载波频带band, citizen (CB) 民用波段band, effective 有效频带band, guard 防护频带band, pass 通频带band, side 侧频带band, single-side (SSB) 单面频带band, voice 声音频带band-edge 频带边沿band-elimination filter 带阻滤波器bandgap 频带间隙banding, rubber 弹性连接bandpass 通频带bandpass filter 带通滤波器bandpass limiter 带通限制器，带通限幅器bandwidth 频宽bandwidth on demand 额定带宽bandwidth, communications 通讯频宽bandwidth, frequency 频率频宽bandwidth, frequency selective 频率选择频宽bandwidth, luminance 亮度频宽bandwidth, read 读出频宽bandwidth, resolution (RBW) 解析度频宽bandwidth, sampling frequency 取样频率频宽bandwidth-limited operation 频宽限制操作bank 组bank switching 存储器组转换bank winding 存储器组缠绕bank, multi-register 多寄存器组bank, register 寄存器组bar 巴bar code 条码bar generator 条状信号产生器bar graph 气压记录仪bar magnet 条形磁铁bar pattern 条形图案bar-code reader 条码阅读器bar-code scanner 条码扫描器bar-code system 条码系统bar-type current transformer 条形电流变换器bare board 裸板bare conductor 裸线bare die 裸片bare-board testing 裸板测试bargraph 柱状图表barium (Ba) 钡barometer 气压计barometer, aneroid 无液气压计barrel connector 圆柱式连接器barrel distortion 桶形畸变barrel shifter 柱式位移器barrier 障碍；阻挡barrier layer 阻挡层base 基本；基底base active power 基本有功功率base address 基底地址base bus 基底总线base drive 基极驱动base electrode 基极base frequency 基本频率base impedance 天线座端阻抗base load 基本负载base management information, (MIB) 管理信息基本原则base page address 基页地址base port address 基本端口地址base pressure 基本压力base region 基极区base register 基本寄存器；基极寄存器base resistivity 基极电阻base station 基站base station controller (BSC) 基站控制器base station subsystem (BSS) 基站子系统base transceiver station (BTS) 基站base transistor 基极晶体管base unit 基本单位base, common 共基极base, time 时基baseband 基频带baseband LAN 基带局域网baseband coaxial cable 基频带同轴电缆baseband modem 基带调制解调器baseband network 基频带网络baseband signal 基频带信号baseband-multiplexed 基频带多工baseline delay 基线延迟baseline offset 基线位移量baseline overshoot 基线过冲baseline privacy 基线私密baseline wander (BLW) 基线漂移baseplate 底板baseplate temperature 底板温度basic HTML (HyperText Markup Language) 超文本标识语言basic access 基本存取basic access method 基本存取方法basic access model 基本存取模式basic audio processor (BAP) 基本声频处理器basic cell 基本单元basic communications services 基本通讯服务basic control element 基本控制元素basic direct access method 基本直接存取方法basic encoding rule (BER) 基本编码法则basic input/output system (BIOS) 基本输入输出系统basic input/output system data area 基本输入输出系统数据区域basic media access controller (BMAC) 基本媒介存取控制器basic part 基本零件basic rate 基本速率basic rate access (BRA) 基本速率存取basic rate interface (BRI) 基本速率接口basic repetition rate 基本重复率basic telecommunications access method (BTAM) 基本远程通讯传取法basic transmission unit (BTU) 基本传输单位bass boost 低音提升batch 批次batch mode 批方式batch processing 批次处理作业bath voltage 槽电压bath, solder 焊槽bath, water 水浴槽bathtub curve 澡盆曲线battery 电池battery back-up 备用电池 battery boost 电池升压battery charger 电池充电器 battery eliminator 等效电池battery pack 电池包；电池组件battery, alkaline 硷性电池battery, lithium 锂电池battery, nickel cadmium (NiCd) 镍镉电池battery, nickel metal hydride (NiMH) 镍金属氢电池battery, primary 原电池battery, secondary 次级电池battery, solar 太阳能电池baud 波特baud rate 波特率baud-rate generator 波特率产生器beacon 标示beacon frame 指示信息段bead, solder 焊球beam 束；光束beam crossover loss 射束交迭损耗beam finder 寻束器beam forming 射束形成，聚束，成束beam splitter 分光镜beam steering 射束控制beam, electron 电子束beam, focused ion (FIB) 聚离子束beam, gallium ion 镓离子光束beam, ion 离子束beam, laser 激光束beam, molecular 分子束beam, photolithographic 光刻线beam-deflection tube 射束偏转管bearer service 承载业务bearing 轴承bearing accuracy 方位准确度bearing, ball 滚珠轴承bearing, hydrostatic 静液压轴承bearing, roller 滚桶轴承bearing, spindle 转轴轴承beat 拍beat frequency 拍频beat note 拍音bed-of-nails 针床behavior, transient 瞬变行为behavioral 行为的；性能的behavioral data 性能数据behavioral definition 性能定义behavioral description 性能描述behavioral simulation 性能摸拟behavioral simulation model 性能摸拟模型bellow 摺箱belt, conveyer 传送带benchmark 基准点benchmarking program 基准点测试程序bend loss 弯曲损耗bend radius 弯曲半径benzene 苯beryllium (Be) 铍beta circuit 缏?beta testing 馐?beveled 斜削的bezel 挡板；遮光板bi-directional 双向的bi-directional bus 双向总线bi-directional pin 双向接脚bi-phase coding 二相编码，双相编码bias 偏置；偏压bias circuit 偏压电路bias current 偏置电流bias distortion 偏置失真bias power 偏置功率bias slope 偏置斜率bias, fixed 固定偏压bias, high-temperature reverse- (HTRB) 高温反向偏压bias, negative 负偏压biased amplifier 偏置放大器biconcave lens 双凹面透镜biconical antenna 双锥形天线biconvex lens 双凸面透镜bifocal lens 双焦点透镜bilateral network 双向网络bilateral roaming agreement 双向漫游协定，双向漫游协议bilateral transducer 双向传感器bill of materials (BOM) 材料单bimetallic strip 双层金属条binary 二元的；二进制binary arithmetic 二进制算术binary code 二进制码binary compatible 二进制兼容binary countdown 二进制倒数binary counter 二进制计数器binary data 二进制数据binary decision diagram (BDD) 二元判定图binary encoding 二进制编码binary frequency-shift keying (BFSK) 二进制频率变换调制binary mask 二元掩膜binary notation 二进制记数法binary number system 二进制数制binary phase-shift keying (BPSK) 二进制相位变换调制binary search 二元搜寻binary synchronous communications (BSC) 二进制同步通讯binary synchronous control (BSC) 二进制同步控制binary synchronous interface (BSI) 二进制同步接口binary synchronous protocol (BISYNC) 二进制同步协定binary tree search 二叉树搜寻binary unit 二进制单元binary with eight zero substitution (B8ZS) 八位二进制零替换binary-coded decimal (BCD) 二进码十进数binary-tree search 二元树状搜寻binaural 双耳的，双声道的，立体声的binder 黏合剂binding 联编，汇集，邦定binding energy 结合能binhex 二 - 十六进制biodegradable 可生物降解biplexer 高速通道bipolar 双极bipolar analog process 双极模拟过程bipolar coding 双极性编码bipolar coding with zero suppression 消零双极性编码bipolar complementary metal oxide semiconductor (BiCMOS) 双极互补金属氧化半导体bipolar logic 双极逻辑bipolar metal oxide semiconductor (BiMOS) 双极金属氧化半导体bipolar power transistor 双极功率晶体管bipolar signal 双极信号bipolar transistor 双极晶体管biquinary 二-五进制bismuth compound 铋化合物bistability 双稳定性bistable 双稳态bit 位bit cell 位单元bit error rate (BER) 位错误率bit error rate (ber) 比特差错率，误码率bit error rate testing (BERT) 位错误率测试bit field 位资料栏bit map 位映射图bit plane 位平面bit problem 位问题bit rate 位速率，比特率bit serial 位串行bit shift 位移位bit stream 位流bit stuffing 位填充，比特填充bit synchronous 位同步bit, accessed 存取位bit, asynchronous 异步位bit, framing 帧划分位bit, horizontal parity 水平奇偶位bit, interleaved 交错位bit, least significant (LSB) 最小有效位bit, lower 低位bit, missing 缺失位bit, parity 奇偶位bit, significant 有效位bit, start 起始位bit, status 状态位bit, stop 终止位bit, storage 储存位bit, upper 高位bit, vertical parity 垂直奇偶位bit-aligned block transfer 对位式区块传输bit-block transfer (BitBLT) 位区块传输bit-cell polysilicon 位单元多晶硅bit-error rate testing (BERT) 位错误率测试bit-error rates 误码率bit-error ratio (BER) 位错误率bit-mapped graphics 位映射图像bit-mapped raster image 位映射光栅影像bit-oriented protocol 面向比特的协议bit-oriented protocol (BOP) 位取向协定bit-parallel 位并行bit-per-second (bps) 每秒位数bit-retention time 位保存时间bit-reversal permutation 位反向置换bit-serial 位串行bit-sliced 位式片black and white 黑白的black body 黑体black box 黑盒black compression 黑区信号压缩black level 黑色电平black light 黑光；不可见光black peak 黑色峰值black-body radiation 黑体幅射black-oxide process 黑氧化处理black-surface reflector (BSR) 黑面反射器blackening, relative 相对黑度blade 叶片；刀刃blade antenna 叶片形天线blade tip 叶梢blank 空白；清除blank character 空白字符blanked picture signal 消隐画面信号blanking 消隐blanking interval 消隐间隔blanking level 消隐信号电平bleed 渗出，泻漏；色料扩散；超出版面blind hole 闭孔blind spot 盲点blind via 盲通孔blink 闪烁blister 气泡block 区块block allocation 区块配置block code 分组码block command 字块命令block diagram 方块图block erase 区段式擦除block error rate (BLER) 资料段错误率block mode 区块模式；资料段模式block parity 区块奇偶校验block sequence number (BSN) 块序列号block transfer 区块传输block, building 汇编区块block, configurable logic (CLB) 可配置逻辑区块block, data 数据资料段block, expanded memory (EMB) 扩充存储器区块block, file control (FCB) 档案控制区块block, functional 功能区块block, generic logic (GLB) 通用逻辑区块block, logic array (LAB) 逻辑阵列区块block, upper memory (UMB) 上存储器区块block-mode transfer 资料段模式传输blockcheck character (BCC) 区块检测符blocking capacitor 阻塞电容器blocking diode 阻塞二极管blocking probability 阻塞概率blocking voltage 阻塞电压blow hole 熔固孔blower 吹风机blowout coil 减弧线圈board layer 电路板层board library 电路板程序库board test lab 电路板测试实验室， 插件板测试实验室board warpage 电路板扭曲board, bare 裸板board, bread 实验用电路板board, bulletin 电子布告板board, burn-in (BIB) 老化测试板board, bus master 总线控制器板board, chip-on- (COB) 板上式芯片board, daughter 子板board, double-sided 双面电路板board, field programmable circuit (FPCB) 可现场编程电路板board, functional system (FSB) 功能系统板board, main 主机板board, multilayer 多层电路板board, plated-through 镀通电路板board, printed circuit (PCB) 印刷电路板board, printed wiring (PWB) 印刷电路板board, single-sided 单面电路板board, through-hole 穿孔式电路板board, wiring terminal 路由终端板bobbin 线轴bobble 软球body capacitance 体电容body, electrified 带电体body, illuminated 受照体body, luminous 发光体body, non-luminous 非发光体body, opaque 不透明体body, perfectly elastic 完全弹性体body, rigid 刚体body, translucent 半透明体boiling 沸腾boiling point 沸点bond 键；黏接bond pad 接合焊盘，结合区bond wire 接合线bond, covalent 共价键bond, ionic 离子键bond, metallic 金属键bonded wafer 已粘接晶圆bonding 粘结，压焊，结合，搭接 bonding alloy 粘结合金bonding pads 结合片，结合区，连接填料bonding, metal electrode face (MELF) 金属电极表面黏合bonding, tape automated (TAB) 卷带自动接合技术bonding, transferred-bump tape automated (T-BTAB) 传递碰撞式卷带式自动接合技术book-to-bill ratio 订购运销值比boolean algebra 布尔代数，逻辑代数boolean equation 布尔方程boolean expansion 布尔延伸式boolean logic 布尔逻辑boolean operator 布尔运算子boolean reduction 布尔约简boost 升压boost regulator 升压调节器boost, buck- 冲跳升压booster 升压器；放大器booster charge 再充电boot 启动boot infector 启动感染程序boot sector 启动磁区boot, cold 冷启动boot, warm 暖启动boot-up 启动booting 引导，引导装入bootstrap 启动程序bootstrap circuit 启动电路bootstrap loader 启动程序载入器bootstrap supply 自举电源border 边界border gateway 边界网关border gateway protocol (BGP) 边界网关协议bottom centering jaw 下定中爪bounce 跳动bounce pad 回弹插入,回弹垫片bounce, ground 接地跳动bound charge 束缚电荷bound electron 束缚电子boundary condition 边界条件boundary controller 边界控制器boundary functional test (BFT) 边界功能测试boundary in-circuit test (BICT) 边界内电路测试boundary representation (B-rep) 边界表示法boundary scan 边界扫描boundary tag method (BTM) 边界标志法boundary value 边界值boundary, framing 信息段范围boundary, kernel 核心边缘boundary-element method (BEM) 临界元素法boundary-scan architecture 边界扫描结构boundary-scan description language (BSDL) 边界扫描描述语言braid 包线brain drain 人才外流brake anti-lock, 防震刹车braking resistor 制动电阻器branch 分支；转位branch network 分支网络branch target cache (BTC) 分支式目标高速缓冲存储器braze 铜锌合金焊，硬钎焊breadboard 实验用电路板break detect 中断检测break indication 中断指示breakdown 中断点breakdown current 击穿电流breakdown impedance 击穿阻抗breakdown rating 击穿额定值breakdown region 击穿区域breakdown voltage 击穿电压breakdown, collector-base 集极基极击穿breakdown, secondary 次级击穿breaker 断路； 开关breakout box 断接盒breakpoint 断点breakpoint trigger 触断点breakthrough 贯穿bridge 电桥；桥接bridge amplifier 桥式放大器bridge circuit 桥接电路bridge current 桥接电流bridge rectifier 桥接整流器bridge, Wheatstone 惠斯登电桥bridge, Wien 惠恩电桥bridge, solder 焊桥bridged-T network 桥接形四端网络bridging 桥接，跨接；分路，分流bridle wire 跳线；绝缘跨接线brightness 光度brightness, cross 互串光度brine 盐水broadband 宽频带broadband Internet 宽带因特网broadband coaxial cable 宽带同轴电缆broadband detection 宽频带检测broadband directional coupler 宽频带定向耦合器broadband power divider 宽频带功率分配器broadband telecommunications 宽频带远程通讯broadband wireless 宽带无线broadcast 广播broadcast address 广播地址broadcast control channel (BCCH) 广播控制信道broadcast encryption 广播加密broadcast management entity (BME) 广播管理机构broadcast network 广播网broadside array 垂射天线bronze conductor 青铜传导体brouter 桥由器，桥式路由器brownout 电压起伏及闪烁brownout 降压，节电browse 浏览browser 浏览器browsing 浏览brush 刷；刷子brush discharge 刷形放电brushless 无刷的brushless motor 无刷式马达bubble chamber 气泡室bubble chart 气泡式图表bubble memory 磁泡存储器bubble sort 气泡排序buck 冲跳buck boost 冲跳升压buck converter 降压变换器buck regulator 降压调节器buffer 缓冲区；缓冲器buffer amplifier 缓冲放大器buffer, address 地址缓冲器buffer, dumb frame 基本型画面缓冲器buffer, elasticity 弹性缓冲器buffer, frame 画面缓冲器buffer, image 影像缓冲器buffer, look ahead 先行缓冲器buffer, lookaside 监视缓冲器buffer, translation lookaside (TLB) 转换监视缓冲器buffer, tristate 三态缓冲器buffer, tristate output 三态输出缓冲器buffer, voltage 电压缓冲器buffer, write 写入缓冲器buffering, frame 帧缓冲bug 程序错误building block 汇编区块building-in-reliability (BIR) 固有可靠性built-in 内置式built-in check 内置式检测built-in decoder 内置解码器built-in lead stress (BILT) 内置引线压力built-in logic block observer (BILBO) 内置逻辑区块监察程序built-in self test (BIST) 内置自测试bulb, dry 乾泡bulb, infrared reflow 灯泡式红外线回流bulbous 球形的bulk capacitor 大容量电容器bulk modulus 容变弹性模组bulk storage 大容量存储器bulletin board 电子布告板bulletin board service (BBS) 电子布告板服务bump 凸起，凸点；撞击，碰撞bumper 防撞器bundle 束buoyancy 浮力buried cable 地下电缆buried hole 埋孔buried layer 埋层buried logic 隐敝式逻辑buried power plane 隐敝式电源板层buried via 埋通孔burn-in 老化burn-in board (BIB) 老化测试burn-in test 老化测试burn-in, dynamic 动态老化测试burn-in, high-temperature reverse-bias 高温反向偏压老化测试burn-in, static 静态老化测试burn-in, test during (TDBI) 老化中测试burnout 烧坏；停烧burst 脉冲；资料组burst access 资料组存取burst bus 资料组总线burst bus transfer 资料组总线传输burst cycle 脉冲周期；资料组周期burst duration 脉冲宽度burst mode 成组方式；区间状态burst read 资料组读出burst transaction 资料组交互作用burst transfer rate 资料组传送速率burst, multi- 多重脉冲burst, servo 伺服脉冲burst-bus transfer 资料组总线传输bursty 突发,猝发bursty communications 突发性通信bus 总线bus arbiter 总线判优器bus arbitration 判优总线bus back-off 总线退出bus bounce analysis 总线跳动分析bus contention 总线争用bus cycle 总线周期bus driver 总线驱动器bus entry 总线入口bus error recovery 总线错误恢复bus interface 总线接口bus latency 总线等待时间bus master 总线主控器bus master board 总线控制器板bus matrix switch 总线矩阵交换bus network 总