专业英语-学习指南
一． 根据下面的英文解释，写出相应的英文词汇。
1. that is a material or covering which electricity, heat or sound cannot go through _________
2. that allow electricity or heat to go through ________
3. the standard unit of measurement for the strength of an electrical current _________
4. of or relating to magnetism or magnets _________
5. a unit of potential difference equal to one thousandth of a volt
_________
6. a number written using the base 10; numerical _________
7. something, such as a machine or an engine, that produces or imparts motion _______
__
8. the act of disturbing _________
9. an integrated circuit that contains the entire central processing unit of a computer on a single chip _________
10. a procedure for solving a problem that involves collection of data, processing, and presentation of results _________
11. the standard measure of electrical power ____________
12. an electric generator that produces alternating current __________
13. two pieces of wire were connected end to end ____________
14. two pieces of wire were connected side by side ____________
15. the standard unit of measurement for strength of an electrical current
____________
16. a device used to break or open an electric circuit or to divert current from one conductor to another ____________
17. a device that generates light, heat, or therapeutic radiation
____________
18. a material that insulates, especially a nonconductor of sound, heat, or electricity ____________
19. of or relating to a system of numeration having 2 as its base
____________
20. the standard unit of electrical resistance ____________
21. a number written using the base 10; numerical _________
22. something, such as a machine or an engine, that produces or imparts motion _________
23. the act of disturbing _________
24. an integrated circuit that contains the entire central processing unit of a computer on a single chip _________
25. a procedure for solving a problem that involves collection of data, processing, and presentation of results _________
26. that is a material or covering which electricity, heat or sound cannot go through _________
27. that allow electricity or heat to go through ________
28. the standard unit of measurement for the strength of an electrical current _________
29. of or relating to magnetism or magnets _________
30. a unit of potential difference equal to one thousandth of a volt
_________
二. 根据电气工程专业基本知识，判断正误。
1. PID controller is a very useful controller in industry. _____
2. A digital computer controlled system is only designed for discrete variable. _____
3. Most programmers today prefer to use high-level languages, such as C++, Java, COBOL, and Visual Basic. _____
4. An output device, such as a keyboard or mouse, gathers input and transforms it into a series of electronic signals for the computer.
_____
5. When three capacitors connected in parallel, . _____
6. Electron will flow through a conductor from the positive terminal to the negative terminal. _____
7. For example, if the effective value is 110V, the peak value is 220V.
_____
8. If a conductor cuts through lines of flux, the voltage in the conductor is caused. _____
9. Whenever a conductor cuts through lines of flux a voltage is induced in the conductor. The voltage is CEMF (Counter Electromotive Force).
reactivepower _____
10. In China alternating current is usually generated at 60Hz. _____
11. In alternating current an AC generator is used to make electrons flow continuously in one direction. _____
12. In North American 50Hz is adopted as standard frequency in electric power system. _____
13. A computer’s microprocessor only understands high-level language.
_____
14. Instructions written in a high-level language must be translated into machine language in binary form before a computer can use them. _____
15. In alternating current an AC generator is used to make electrons flow continuously in one direction. _____
16. In China alternating current is usually generated at 60Hz. _____
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