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| 1. | A string of electrical pulses is often shown as this. |
| 一列电脉冲经常表示成这样。 |
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| 2. | Either direct or alternating current may be used for driving electric trains. |
| 直流电和交流电都可用来驱动电气火车。 |
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| 3. | In general, there is no distinction between "static electricity" and "current electricity". |
| 一般说来，“静电”和“电流的电”是无差别的。 |
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| 4. | The house has no electricity, sanitation, or fresh water supply. |
| 住房没有水、电和卫生设备。 |
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| 5. | A generator transforms mechanical energy into electricity. |
| 发电机将机械能变成电。 |
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| 6. | a short circuit, (electr.) a faulty shortening of the circuit |
| （电）短路 |
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| 7. | Gilbert proposed in 1600 that electrical effects arise from an electric fluid. |
| 1600年，吉伯提出，电效应起因于一种电的流质。 |
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| 8. | Alternating current reverses from negative to positive about 60 times a second. |
| 交流电由负到正一秒钟大约变换六十次。 |
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| 9. | There was something wrong with the switch and I got a shock. |
| 电门有毛病，电了我一下。 |
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| 10. | For example, many people imagine that, when they plug their vacuum cleaners and blenders into outlets in the wall, the electricity flows like water from the wall to the appliances through the little black tube of the electrical cord. |
| 比如，很多人想像当他们将真空吸尘器或者搅拌机接到墙上的电源插座时，电流会像水一样通过黑色的小电线管从墙里流向电器。 |
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