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| 41. | Lines which are everywhere tangential to the direction of the flow of electric current are called streamlines |
| 处处均与电流方向相切的曲线称为流线。 |
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| 42. | The rectifier lets current flow into the battery only when A.C. surges in the direction of the arrow. |
| 只有当交流电流沿箭头方向急冲时，整流器才允许电流流入电池组。 |
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| 43. | No current will flow until you connect the two wires up. |
| 把这两根电线连接起来才会有电流。 |
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| 44. | the process whereby changes in the current flow in a circuit produce magnetism or an EMF. |
| 电路中的电流变化产生磁力或电动势的过程。 |
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| 45. | With no signal, no current will flow from the battery through the receiver . |
| 如果没有信号,就不会有电流从电池流过接收器。 |
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| 46. | As a result, tundish current regulator can efficiently prevent short current flow and improve metallurgical |
| 结果表明,使用中间包稳流器能有效地防止短路流,改善中间包冶金效果。 |
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| 47. | Thus the arrow points from high to low potential and in the direction of assumed current flow. |
| 因而箭头是从高电位指向低电位，并且与假定的电流正方向一致。 |
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| 48. | "Alternating current (AC): Flow of electric charge that reverses periodically, unlike direct current. |
| 交流电:周期性换向的电流,和直流电不一样。 |
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| 49. | 1.to flow at great speed; to pour; 2.a swift flow; a racing current; a torrent |
| 奔流 |
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| 50. | With no signal, no current would flow from the battery through the receiver . |
| 如果没有信号，就不会出现这种现象。 |
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