| 单词 | 导体 |
| 释义 | 〔electrify〕To produce electric charge on or in (a conductor).使带电：使（一个导体）带电或起电〔terminal〕A passive conductor at such a position used to facilitate the connection.接线柱：其位置用于连结电路的导体〔charge〕To cause formation of a net electric charge on or in (a conductor, for example).使带电荷：促使（如导体内）净电荷形成〔induction〕The charging of an isolated conducting object by momentarily grounding it while a charged body is nearby.感应：通过短暂地磨擦，使一个充电导体附近的独立导体产生电流〔bridge〕Any of various instruments for measuring or comparing the characteristics, such as impedance or inductance, of a conductor.电桥：用来测量、比较导体的特征的仪器，如电阻、感应器〔junction〕A connection between conductors or sections of a transmission line.接头：导体的连接部分或输电线的各部分〔feedthrough〕A conductor connecting two circuits on opposite sides of a printed circuit board.馈通：连结印制电路板正反两面两个电路的导体〔capacitance〕Symbol C The ratio of the electric charge transferred from one to the other of a pair of conductors to the resulting potential difference between them.符号 C 电流容量：导致一对导体间可能电位差的彼此电荷转换率〔gold〕Symbol Au A soft, yellow, corrosion-resistant element, the most malleable and ductile metal, occurring in veins and alluvial deposits and recovered by mining or by panning or sluicing. A good thermal and electrical conductor, gold is generally alloyed to increase its strength, and it is used as an international monetary standard, in jewelry, for decoration, and as a plated coating on a wide variety of electrical and mechanical components. Atomic number 79; atomic weight 196.967; melting point 1,063.0°C; boiling point 2,966.0°C; specific gravity 19.32; valence 1, 3. See table at element 符号 Au 黄金：一种软的，黄色的，抗腐蚀的物质，是最具有延展性的金属并能抽成丝，产于矿藏和冲积层中，通过开采或淘砂可以找到它，是热和电的良好导体。黄金中一般掺入其他物质以增加强度，经常被用作衡量国际货币的标准，也被制成珠宝作为装饰品，同时被广泛用作各种电子和机械元件的镀层材料。原子序数79；原子量196.967；熔点1,063.0°C；沸点2,966.0°C；比重19.32；化合价为1，3 参见 element〔magnetoresistance〕A change in electrical resistance of a conductor or semiconductor when a magnetic field is applied.磁致电阻：当磁场产生作用时导体或半导体的电阻变化〔watt〕One might well ask how many European scientists it takes to turn on a light bulb.If we think in terms of the names used for various units in the International, or meter-kilogram-second, System,a fair number are involved.Alphabetically arranged, these units are theampere, named for the French scientist Andr? Marie Ampère (1775-1836); thecoulomb, after the French scientist Charles A. de Coulomb (1736-1806); thefarad and the faraday, after the British scientist Michael Faraday (1791-1867); thejoule, after the British scientist James P. Joule (1818-1889); thenewton, after the British scientist Sir Isaac Newton (1642-1727); theohm, after the German scientist Georg S. Ohm (1789-1854); thevolt, after the Italian scientist Count Alessandro Volta (1745-1827); and thewatt, after the British scientist James Watt (1736-1819). Definitions such as that ofohm, "a unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals,” take on more human connotations when we think of how human contributions to the study of electricity are memorialized in them.The dates of first recorded use of the terms in English are as follows:ampere, 1881; coulomb, 1881; farad, 1861; faraday, 1904; joule, 1882; newton, 1904; ohm, 1870 (suggested in 1861); volt, 1873; and watt, 1882. 有人可能会问经过了多少位欧洲科学家才点亮了灯泡。如果我们以国际单位制或米—千克—秒单位制中各种单位之名称的形式来考虑的话，相当数量的人被包括了。这些单位按字母顺序排列是安培， 以法国科学家安德烈·马里耶·安培(1775—1836年）命名； 库仑， 以法国科学家夏尔·埃·德库仑(1736-1806年）命名； 法拉 和 法拉第， 以英国科学家迈克尔·法拉第(1791—1867年）命名； 焦耳 以英国科学家詹姆斯·皮·焦耳(1818—1889年）命名； 牛顿， 以英国科学家伊萨克·牛顿爵士(1642—1727年）命名； 欧姆， 以德国科学家格奥尔格·斯·欧姆(1789—1854年）命名； 伏特， 以意大利科学家亚历山德罗·沃尔塔伯爵(1745—1827年）命名； 瓦特， 以英国科学家詹姆士·瓦特(1736—1819年）命名。 定义诸如欧姆， “电阻单位，等于一伏特电压加于导体两端在导体内部产生一安培电流之导体电阻”， 当我们想到人们对电学做出的贡献是怎样在这之中得到纪念的时候，就带上了更多的人文内涵。英语中首次有记录的使用这些说法的时间如下：安培， 1881； 库仑， 1881； 法拉， 1861； 法拉第， 1904； 焦耳， 1882； 牛顿， 1904； 欧姆， 1870（在1861年建议使用）； 伏特， 1873；和 瓦特， 1882 〔ohmmeter〕An instrument for direct measurement in ohms of the resistance of a conductor in ohms.欧姆：以欧姆为单位来对导体电阻进行直接测量的仪器〔vibrator〕An electrical device consisting basically of a vibrating conductor interrupting a current.振动器：主要包含一种能打断电流的振动导体的电动设备〔metal〕Abbr. MAny of a category of electropositive elements that usually have a shiny surface, are generally good conductors of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires. Typical metals form salts with nonmetals, basic oxides with oxygen, and alloys with one another.缩写 M金属：任一种带阳电性元素的物质，通常具有光亮的表面，是热和电的良好导体，能被熔化或融合，也可以锻制成薄片或拉制成金属线。典型金属与非金属物质可以生成盐，与氧生成简单氧化物，而两种金属则能制成合金〔copper〕Symbol Cu A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and corrosion-resistant parts, either pure or in alloys such as brass and bronze. Atomic number 29; atomic weight 63.54; melting point 1,083°C; boiling point 2,595°C; specific gravity 8.96; valence 1, 2. See table at element 符号 Cu 铜：一种有韧性、可延展的红棕色金属元素，是热和电的极好导体，广泛用于电线、水管及防腐蚀零件中，其形式可以是纯铜也可以是黄铜或青铜合金。原子序数为29；原子量为63.54；熔点1,083°C；沸点2,595°C；比重8.96；原子价为1,2 参见 element〔trolley〕A device that collects electric current from an underground conductor, an overhead wire, or a third rail and transmits it to the motor of an electric vehicle.触轮：电力车辆的一种装置，能将地下导体、架空电线或第三个铁道上的电流接收过来并递给电力车辆的发动机的装置〔ohm〕A unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals. See table at measurement 欧姆：电阻单位，一段导体两端的电位差为伏特时产生一安培电流，那么这段导体的电阻就等于欧姆 参见 measurement〔contact〕A connection between two conductors that permits a flow of current.接触：两个导体之间可容电流通过时的接触〔brush〕A sliding connection completing a circuit between a fixed and a moving conductor.电刷：连接一个固定的导体和移动的导体，使电路通畅的滑动物体〔ground〕A large conducting body, such as the earth or an electric circuit connected to the earth, used as an arbitrary zero of potential.接地：大面积导体，如地面或与地面连结的电路，用做任意零电位 |
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