1、1. Translate the following words and phrases into Chinese. (40 分)： microelectronic: amplifier : integrated: transistor : capacitor: impedance: inductive: semiconductor: diode: multimedia: analog: digital: auxiliary storage: hard disk: laser: coherent: wide area networks: local area networks: interco
2、nnection: transmission: 2. Translate the sentences.（每个句子 10 分，共 60 分）：1) Integrated circuits are also classified according to their functions. Digital or logical IC are used as switches, they are either on or off. In computers the on and off states correspond to 0 or 1. Other IC is called linear or
3、analog IC.2) The reduction in power dissipation is particularly important where a complex circuit is to be concentrated into a small space. The problem of extracting the heat generated in the circuit may then be a difficult one.3) Intensity is a measure of power per unit area, and even a laser that
4、emits only a few milli-watts can produce a lot of intensity in a beam thats only a millimeter in diameter.4) The sampled digital values, along with error correction data, tracking codes, and cueing data, are recorded on a digital tape, which is used to make compression-molded plastic disc 12 cm in d
5、iameter, each covered by a thin, reflective metallic layer and protected by a clear plastic coating.5) The model contains seven layers and was designed so as to prevent the networking software of different vendors being largely incompatible.6) As the satellite received a signal from a ground or earth station, a communications complex that transmitted and/or received satellite signals, it relayed its own signal to earth.
