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grooved ball seat
有槽球座
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rectify vt. 改正;精馏;整流
pulpit n. 讲道坛;高架操纵台;神职人员
linear adj. 线的,线型的;直线的,线状的;长度的
Paraguay n. 巴拉圭(南美洲一国名)
victoria n. 维多利亚(女子名)
maladjustment n. 失调,不适应
clotting n. 凝血;结块 v. 结快(clot的ing形式)
aurae pl. 气氛, 气味
millage n. 厘计税率(按厘即0.001美元计算的每美元的税率)
scroll n. 卷轴,画卷;名册;卷形物 vi. 成卷形 vt. 使成卷形
disenfranchise vt. 剥夺…的公民权(等于disfranchise)
matchbox n. 火柴盒
whosoever pron. 无论是谁
nobility n. 贵族;高贵;高尚
knife n. 刀;匕首 vt. 用刀切;(口)伤害 vi. 劈开;划过
oestrus n. 发情,牛虻; 动情期
viscosity n. [物] 黏性,[物] 黏度
chaplaincy n. 礼拜堂牧师之职位或任期
ppd abbr. 程序设计指示(Programming Planning Directives)
vector n. 矢量;带菌者;航线 vt. 用无线电导航
考试词汇表
frequency selective device
frequency selective fading
frequency selective system
frequency shift coded data
frequency shift keying,FSK
frequency shift modulation
frequency shift signalling
frequency shift telegraphy
frequency slope modulation
frequency stability factor
frequency stabilized laser
frequency sweep oscillator
frequency variation method
frequency-change signaling
frequency-controlled laser
frequency-dependent bridge
frequency-dependent effect
frequency-dividing network
frequency-domain equalizer
frequency-domain filtering