B 篇：
B-scope,B型显示
back flushing,反吹
background,后台，背景，本底
background current,基流
background mass spectrum,本底质谱
background noise,背景噪声
background processing,后台处理
background program,后台程度
Backman thermometer,贝克曼温度计
backscattered electron image,背散射电子象
backward channel,反向信道
baffle wall,隔板
balance,天平
balance for measuring amount of precipitation,水量秤
balance output,对称输出
balance quality of rotor,转子平衡精度
balance wieght,平衡块
balanced plug,平衡型阀芯
balancing,平衡
balancing machine sensitivity,平衡机灵敏度
balancing machine,平衡机
balancing speed,平衡转速
ball pneumatic dead wieght tester,浮球压力计
ball screw assembly,滚珠丝杠副
ball valve,球阀
ballistic galvanometer,冲击栓流计
band,频带
bandwidth,带宽
band width of video amplifier,视频放大器频宽
bar primary bushing type current transformer,棒形电流互感器
barograph,气压计
barometer cistern,气压表水银槽
barometer,气压表
barometric correction,气压表器差修正
barometrograph,空盒气压计
barothermograph,气压温度计
barrel distortion,桶形畸变；负畸变
base,基底
base line,基线
base peak,基峰
base unit(of measurement),基本（测量）单位
baseband LAM,基带局域网
baseline drift,基线漂移
baseline noise,基线噪声
baseline potential,空白电位
baseline value,空白值
basic NMR frequency,基本核磁共振频率
basic standard,基础标准
batch control,批量控制
batch control station,批量控制站
batch inlet,分批进样
batch of strain gauge,应变计[片]批
batch processing,成批处理
batch processing simulation,批处理仿真
Baud,波特
beam,横梁；声速
beam deflector,电子束偏转器
beam path distance,声程
beam ratio,声束比
beam spot diameter,束斑直径
beam-deflection ultrasonic flowmeter,声速偏转式超声流量计
beam-loading thermobalance,水平式热天平
bearing,轴承；刀承
bearing axis,轴承中心线
bdaring support,支承架
beat frequency oscillator,拍频振荡器
beat method(of measurement),差拍（测量）法
Beaufort scale,蒲福风级
Beckman differential thermometer,贝克曼温度计
bed,机座
Beer' law,比尔定律
bell manometer,钟罩压力计
bell prover,钟罩校准器
bellows,波纹管
bellows(pressure)gauge,波纹管压力表
bellows seal bonnet,波纹管密封型上阀盖
bench mark,水准点
bending strength,弯曲强度
bending vibration,弯曲振动
bent stem earth thermometer,曲管地温表
Besson nephoscope,贝森测云器
betatron,电子回旋加速器；电子感应加速器
bezel ring,盖环
bias voltage,偏压
bi-directional vane,双向风向标；双风信标
bilateral current stabilizer,双向稳流器
bimetallic element,双金属元件
bimetallic instrument,双金属式仪表
bimetallic temperature transducer[sensor],双金属温度传感器
bimetallic thermometer,双金属温度计
binary coded decimal(BCD),二-十进制编码
binary control,二进制控制
binary digital,二进制数字
binary elastic scattering event,双弹性散射过程
binary elastic scattering peak,双弹性散射峰
binary element,二进制元
binary signal,二进制信号
biomedical analyzer,生物医学分析仪
biochemical oxygen demand (BOD)microbial transducer[sensor],微生物BOD传感器 biochemical oxygen demand meter for seawater,海水生化需氧量测定仪
biochemical quantity transducer[sensor],生化量传感器
biological quantity transducer[sensor],生物量传感器
biosensor,生物传感器
bird receiving system,吊舱接收系统
bit,比特；位
bit error rate,误码率
bit serial,位串行
bit-serial higgway,位串行信息公路
bivane,双向风向标；双风信标
black box,未知框
black light filter,透过紫外线的滤光片
black light lamp,紫外线照射装置
blackbody,黑体
blackbody chamber,黑体腔
blackbody furnace,黑体炉
bland test,空白试验
balzed grating,闪耀光栅
block,块体；字块；字组；均温块
block check,块检验
block diagram,方块（框）图
block length,字块长度
block transfer,块传递
blood calcium ion transducer[sensor],血钙传感器
blood carbon dioxide transducer[sensor],血液二氧化碳传感器
blood chloried ion transducer[sensor],血氯传感器
blood electrolyte transducer[sensor],血液电解质传感器
blood flow transducer[sensor],血流传感器
blood gas transducer[sensor],血气传感器
blood-group immune transducer[sensor],免疫血型传感器
blood oxygen transducer[sensor],血氧传感器
blood PH transducer[sensor],血液PH传感器
blood potassium ion transducer[sensor],血钾传感器
blood-pressure transducer[sensor],血压传感器
blood sodium ion transducer[sensor],血钠传感器
blood-volume transducer[sensor],血容量传感器
blower device,鼓风装置
bluff body,阻流体
Bode diagram,博德图
body temperature transducer,体温传感器
bolometer,辐射热计；热副射仪
bomb head tray,弹头托盘
honded strain gauge,粘贴式应变计
bonnet,上阀盖
boomerang grab,自返式取样器
boomerang gravity corer,自返式深海取样管
booster,增强器
bore(of liquid-in-glass thermometer),（玻璃温度计的）内孔
borehole acoustic television logger,超声电视测井仪
borehole compensated sonic logger,补偿声波测井仪
borehole gravimeter,井中重力仪
borehloe gravimetry,井中重力测量
borehole thermometer,井温仪
bottorm echo,底面反射波
bottom flange,下阀盖
bottom-loading thermobalance,下皿式热天平
bottom surface,底面
Bouguer's law,伯格定律
Bourdon pressure sensor,弹簧管压力检测元件
Bourdon tube,弹簧管；波登管
Bourdon tube(pressure)gauge,弹簧管压力表
box gauge,箱式验潮仪
BP-scope,BP 型显示
Bragg's equation,布拉格方程
braking time,制动时间
braking torque(of an integrating instrument),（积分式仪表的）制动力矩
branch,分支
branch cable,支线电缆
breakdown voltage rating,绝缘强度
breakpoint,断点
breather,换气装置
bremsstrahlung,韧致辐射
bridge,桥接器
bridge's balance range,电桥平衡范围
bright field electron image,明场电子象
bridge for measuring temperature,测温电桥
bridge resistance,桥路电阻
brightness,亮度
Brinell hardness number,布氏硬度值
Brinell hardnell penetrator,布氏硬度压头
Brienll hardenss tester,布氏硬度计
broadband LAN,定带局域网
broad-band random vibration,宽带随机振动
broad band spectrum,宽波段
broadcast,广播
BT-calibrationg installation,深温计[BT]检定装置
bubble,水准泡
bubble-tube,吹气管
bucket thermometer,表层温度表
buffer,缓冲器
buffer solution,缓冲溶液
buffer storage,缓冲存储器
built-in galvanometer,内装式检流计
built-in-weigthts,挂码
bulb,温包；感温泡
bulb(of filled system themometer),（压力式温度计的）温包
bulb(of liquid-in-glass thermometer),（玻璃温度计的）感温泡
bulb length(of liquid-in-glass thermometer),（玻璃温度计的）感温泡长度
bulk type semiconductor strain gauge,体型半导体应变计
bulk zinc oxide varistor,体型氧化锌电压敏电阻器
bump,连续冲击
bump test,连续冲击试验；颠簸试验
bump testing machine,连续冲击台
buoy,浮标
buoy array,浮标阵
buoy float,浮标体
buoy motion package,浮标运动监测装置
buoy station,浮标站
buoyancy correction,浮力修正
buoyancy level measuring device,浮力液位测量装置
burden(of a instrument transformer),（仪用互感器的）负载
burning method,燃烧法
burst acoustic emission signal,突发传输
bus,总线
bus line，总线
bus master,总线主设备
bus mother board,总线母板
bus network,总线网
bus slave,总线从设备
bus topology,总线拓扑
bus type current transformer,母线式电流互感器
bushing type current transformer,套管式流互感器
busy,忙
busy state,忙碌状态
butterfly valve,蝶阀 by-pass,旁路
by-pass injector,旁通进样器
by-pass manifold,旁路接头
by-pass valve,旁通阀
Byram anemometer,拜拉姆风速表
byte,字节
byte frame,字节帧
byte serial,字节串行
byte-serial highway,字节串行住信处公路（本文由电子论坛网友
醉龙城提供）
