|
|
| 1. | The average dark current is often eliminated by means of a zeroing circuit. |
| 平均暗电流常利用调零电路消除。 |
|
|
| | |
| 2. | A common type of electric heating system converts electric current to heat by means of resistors that |
| 但由于蒸汽的高温难以控制,现在大多废弃不用。电热系统的一种普通方式是用电阻器把电流转为热,放出辐射能。 |
|
|
| | |