| 1. | The idea underlying the semiconductor counter is old .
半导体计数器的基本原理还是旧的。 |
| 2. | This make of transistor radio is small and beautifully designed .
这半导体收音机小巧玲珑。 |
| 3. | Crystals may be insulators, semiconductors, or conductors .
晶体可以是绝缘体，半导体，或导体。 |
| 4. | In the beginning, engineers hoped to use semiconductor lasers .
在开始时，工程师们希望能够利用半导体激光器。 |
| 5. | There is no sharp line separating conductors from insulators .
实际上并没有一个明显的界限将半导体和绝缘体分开。 |
| 6. | Semiconductors containing such impurities are called p-type semiconductors .
含有这类杂质的半导体叫做P型半导体。 |
| 7. | A further refinement in semiconductor technology is the integrated circuit .
在半导体工艺中，集成电路是一次革新。 |
| 8. | Thermistors are semiconductor devices whose resistance varies with temperature .
热敏电阻是一种半导体元件，它的电阻随温度而变化。 |
| 9. | An analogy is often used to clarify the mechanism of conduction in a semiconductor .
为了弄清半导体中的导电机制，常常采用一种比喻。 |
| 10. | These crystals are the basis of the semiconductor chips which run modern computers .
现代计算机里使用的半导体芯片都少不了这种结晶体。 |
