? Lord Kelvin---开尔文勋爵 ? tide 潮水,潮汐
The tide is down.潮退了。 ? predictor n.预言者, 预报器 ? specialized 专用的;专门的 specific n.特效药, 细节
adj.详细而精确的, 明确的, 特殊的 specification n.详述, 规格, 说明书, 规范
16. 并列结构
During World Wars I and II, mechanical and, later, electrical analogue computing systems were used as torpedo course predictors in submarines and as bombsight controllers in aircraft. 翻译:
第一次和第二次世界大战期间,机械模拟计算系统以及后来的电动模拟计算系统,被用作潜艇上的鱼雷航线预测器和飞机上的轰炸瞄准具的控制器。
? torpedo n. (pl. torpedoes)鱼雷, 水雷, 爆破 ? course ---课程;进程; 路线
radio course in English英语广播讲座
a course of x-ray treatment X光治疗疗程 Our course was due north. 我们的路线是向正北。 ? bombsight n.轰炸瞄准器
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? submarine n.潜水艇, 潜艇 adj.水下的, 海底的 subset sub class subway
subtitle 副题
subtle---狡猾的,微妙的,精细的
17. 词汇学习
During World War II, a team of scientists and mathematicians,( working at Bletchley Park, north of London,) created one of the first all-electronic digital computers: Colossus. 翻译:
第二次世界大战期间,以伦敦北面的布莱切利公园为工作地点的一组科学家和数学家,制造了最早的全电子数字计算机之一:“巨人”。 ? colossus [k??l?s?s] n.巨像, 巨人
? Titan n.[希神]提坦, 太阳神, 巨人
? titanic a巨人的, 力大无比的; 极其有力的
18. 翻译:英文句子的拆分
It was used by the team headed by Alan Turing, in the largely successful attempt to crack(摧毁,使断裂) German radio messages enciphered in the
Enigma code.
翻译:
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它被以艾伦?图灵为首的小组用于破译德国用恩尼格码加密的无线电报,他们的尝试大部分是成功的。
? head vt.作为...的首领, 朝向, 前进, a clear-headed person 一个头脑清醒的人 a cool-headed business man头脑冷静的实业家 ? crack vt.摧毁,使断裂;
解决难题, 揭露(秘密等) crack a garbled message 解明电文不清的来电
? radio messages---无线电报
? encipher vt. 把(电文)译成密码, 编码 ? the Enigma code---恩尼格码
enigma [ I’ni^me ] n.谜, 不可思议的东西
19. 词汇学习
This prototype and later research were completed quietly and later overshadowed by the development of the Electronic Numerical Integrator
And Computer (ENIAC) in 1945.
翻译:
这台原型机和后来的研究工作都是悄悄完成的,而且后来因1945年电子数字积分计算机(ENIAC)的研制而显得相形见绌。
? overshadow---使...相形见绌, 超过 He overshadowed all his comrades. 他使所有同僚都黯然失色。
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? Integrator--积分仪[器] ‘integer--整数
微分--- differential
20.前缀over---词汇扩充
ENIAC was granted a patent, which was overturned decades later, in 1973, when the machine was revealed to have incorporated principles first used in the Atanasoff-Berry Computer.
ENIAC计算机被授予了专利。但是,数十年后,在1973年,当该机被揭露吸收了在阿塔纳索夫―贝里计算机中首次使用的原理后,这项专利被废除。
? grant vt. 同意, 准予
take it for granted认为理所当然
grant(ing) that ...(=granted that ...) 假定..., 即使... ? patent---专利
patient n.病人, 患者
adj.忍耐的, 耐心的 ? overturn v. 打翻; (使)翻过来; n. 垮台; 瓦解; 灭亡; 毁灭 ====================
overlook vt.俯瞰,远眺, 没注意到 n.眺望, 俯瞰中的景色 overuse vt.使用过度 n.过度使用
overshadow---v 使...相形见绌, 超过
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overview n.纵览 总的看法 overhead
adj.在头顶上的; an overhead bridge天桥 n.经常开支, 普通费用
There were too many overheads. 经常性开支太大。
overhear vt.无意中听到, 偷听 overview n. 纵览
overshadow---使...相形见绌, 超过 ====================
? reveal vt.显示, 暴露 ? conceal 隐藏
21. free from 不受...拘束的
The instructions, like the data, were stored within a \freeing the computer from the speed limitations of the paper-tape reader during execution and permitting problems to be solved without rewiring the computer.
指令像数据一样存储在“存储器”中,使计算机在执行过程中摆脱了纸带阅读器的速度限制,并使问题在不给计算机重新接线的情况下得以解决。
? free from 没有...的, 免除...的; 不受...拘束的
? free sb. from 使某人摆脱..., 使某人免除...
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