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 wal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 contro,批量控制 batch control station,批量控制站 batch inlet,分批进样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