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| 71. | A device that interrupts an electric current or a beam of radiation. |
| 断路器或斩光器截断电流或光束的一种装置 |
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| 72. | the basic unit of electric current adopted under the System International d'Unites. |
| 国际单位制所采用的电流的基本单位。 |
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| 73. | A device that records oscillations, as of an electric current and voltage. |
| 示波器记录（电流和电压的）摆动变化的仪器 |
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| 74. | Chemical change, especially decomposition, produced in an electrolyte by an electric current. |
| 电解电流在电解质内产生的化学变化，尤指分解 |
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| 75. | Here is a clear case of magnetism being converted into electric current. |
| 这就是磁转化为电流的一个明显的例子。 |
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| 76. | lysis of a bond produced by the passage of an electric current. |
| 电流（通过）引起的化学键的分解或溶解过程。 |
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| 77. | a material's opposition to the flow of electric current; measured in ohms. |
| 一个物质阻挡电流通过的能力；用欧姆衡量。 |
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| 78. | An electric current, overcoming the resitance of the wires, invariably heats them. |
| 电流克服了导线的阻力总要使导线发热。 |
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| 79. | A power cut, ie temporary reduction or stoppage of an electric current |
| 电力不足（电力暂时性的减弱或断电） |
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| 80. | Device that passes electric current to the sparking-plugs in an engine |
| （代表州政府或联邦政府在管区内执法的）地方检察官 |
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