专业英语作业习题.docx

由张学炳整理，仅供参考，如有问题还请见谅电路作业(英译汉)：1、 passive/ active network 无源/有源网络2、 the rate of change with time of the current 电流随时间的变化率3、 passive circuit elements 无源电路元件4、proportionality constant 比例常数5、voltage /current source 电压/电流源6、 voltage drop/rise 电压降/升7、loop analysis/current 回路分析法/回路电流8、Note that conventional current flow is used;hence the currentin each element is shown in the direction of decreasing voltage.注意：电流的参考方向为惯用的参考方向，因此流过每一个元件的电流与电压降的方向一致9、In their ideal form,voltage sources generate a constant voltage independent of the current drawn from the source. The aforemetioned battery and generator are regarded as voltage sources since their voltage is essentially constant with load .这理想状态为电压源两端的电压恒定，与从电压中流出的电流无关。因此负载发生变化时电压基本恒定，因此上述电池和发电机被认为电压源三相电路作业(英译汉)：1、armature coil 电枢线圈2、three-wire or four-wire three-phase system 三线或四线三相系统3、wye-connection /delta-connection Y形联结/形联结4、phase/line voltage 相/线电压5、phase sequence 相序6、 phasor diagram 相量图7、positive half-cycle 正半周期8、Three-phase machinery and control equipment are smaller ,lighter in weight,and more efficient than single-phase equipment of the same rated capacity.in addition to the above-mentioned advantages offered by a three-phase system, the distribution of three-phase power requires only three-fourths as much line copper as dose the single-phase distribution of the same amount of power .三相供电的机械和控制设备与相同额定容量的单相供电设备相比：体积小、重量轻、效率高，除了三项系统提供的上述优点，三相电的传输需要的铜线仅仅是同样功率大小单相电传输所需铜线的3/49、A three-phase electric circuit is energized by three alternating emfs of the same frequency and differing in time phase by 120 electrical degrees.三相电路可由三个频率相同在时间在相位相差120电度角的电动势供电计算机的结构与功能翻译作业：1、internal architecture of a computer 计算机内部体系结构2、instruction execution cycle 指令执行周期3、binary-coded instruction 二进制编码指令4、memory 存储器5、central processing unit(CPU) 中央处理(单元)器6、external processor bus 外部处理器总线7、input/output system 输入/输出系统8、word length 字长9、program branches 程序分支10、machine-language instruction 机器语言指令11、operation code操作码12、operand address 操作地址13、immediate operands 立即操作数14、Branch address 转移地址15、addressing range of the microprocessor 微处理器的寻址范围16、variable instruction fields 可变的指令域(变指令段)17、multiword instructions 多字指令18、memory space 存储空间19、data types 数据类型20、binary-coded decimal digit 二进制编码十进制数21、single-precision floating-point data types(32bits) 单精度浮点数据类型22、double-precision floating-point data types(64bits) 双精度浮点数据类型23、computer terminal key 计算机终端键24、American Standard Code for Information Interchange (ASCII) 美国信息交换标准码25、digital control system 数字控制系统26、primary memory 主内存27、random-access memory(RAM) 随机访问存储器28、read-only memory(ROM) 只读存储器29、programmable read-only memory(PROM) 可编程只读存储器30、erasable programmable read-only memory(EPROM) 可擦可编程只读存储器31、electronically erasable PROM is abbreviated EEPROM 电子可擦除PROM（可擦可编程只读存储器）缩写为EEPROM32、arithmetic and logical unit(ALU) 逻辑运算单元33、registers 寄存器34、internal processor bus 内部处理器总线35、Instruction register 指令寄存器36、programmers model of the CPU CPU程序员模型37、instruction set 指令集38、Flag register 标志寄存器39、status register 状态寄存器40、condition register 条件寄存器 41、program counter(instruction pointer) 程序计数器42、register addressing 寄存器寻址43、register indirect addressing 寄存器间接寻址44、control lines 控制线45、”read” command 读指令46、data bus 数据总线47、address bus 地址总线48、instruction processing sequence 指令处理顺序49、reset request 复位请求50、unrecoverable error 不可恢复错误51、interrupt request 中断请求52、service subroutine 服务子程序53、bus request 总线请求54、terminal interface 终端接口55、carriage return 回车56、data source device 数据源设备57、data destination 数据目的地58、bus buffers 总线缓冲59、microprocessor integrated circuit 位处理器集成电路60、I/O-mapped input/output I/O 映射的输入/输出61、I/O port I/O端口62、memory-mapped I/O 存储器映射的输入/输出63、The CPU reads and interprets the instructions, reads the data required by each instruction, executes the action required by the instruction, and stores the results back in memory.CPU读取并解释指令，读取每一条指令所需的数据，执行指令所需的动作并将结果存储回内存64、The “number” of a location is called its address. 单元的编号为地址65、To carry out a fetch, the processor places(enables)the binary-coded address of the desired location onto the address lines of the external processor bus.为了完成这次读取，处理器把所需单元的二进制码地址放到外部处理器地址总线的地址线上66、The ALU provides a wide arithmetic operations, including add, subtract, multiply, and divide.ALU提供很广泛的算数操作，包括加、减、乘和除67、Decoding means that the operation code is examined. 译码意味着检查操作代码68、A bus is a set of closely grouped electric conductors that transfers data, address, and control information between functional blocks the CPU.总线是一套分组的电导线，它能在CPU的功能模块间传递数据、地址和控制信息69、A total program cycle comprises many instruction cycles, each instruction cycle can be divided up into its component machine cycles, and each machine cycle comprises a number of clock cycles.一个总程序周期是由许多指令周期组成，每个指令周期分为它部件的机器周期，每个机器周期由许多时钟周期组成A Industrial Robot翻译作业：1、single-purpose machines 单一用途（专用）的机器 2、the Rotbot Istitute of America 美国机器人研究所3、the U.S. Atomic Energy Commission 美国原子能委员会4、Numerical control（NC）technology 数字控制技术5、Remote manipulation techonolgy 远程控制技术6、The term “reprogrammable” implies two things:the robot operates according to a written program,and this program can be rewritten to accommodate a variety of manufacturing tasks.“可编程”一词意味着两件事：机器人操作根据写好的程序作业，这个程序可以被重写以适应各种生产任务7、The “multifuctional”means that the robot can,through reprogramming and the use of different end-effectors perform a number of different manufacturing tasks.“多功能”意味着机器人可以通过重新编程和使用不同的末端执行器执行许多不同的生产任务8、Numerical control technology provide a form of machine control ideally suited to robots.It allowed for the control of motion by stored programs.数字控制技术提供一种控制机器人的理想选择，它允