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| 41. | =====中国的古人根据太阳在两个冬至日之间的运行情况划定出一年；根据月亮圆而后缺，再由缺复圆的时间划分出12个月。 |
| The ancient Chinese started their calendar year in winter. Using the cycle of the moon, its waxing and waning, they devised the12 months-moons--of the year. |
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| 42. | operating ambient |
| 运行环境 |
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| 43. | The heavenly bodies, in their courses, have it in their power to move human minds to unknown heights |
| 天体在其运行过程中，能够把人们带到一种他们从未体验过的快乐之境。 |
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| 44. | But before that it is very difficult to find, difficult to move, difficult to reach the right path. |
| 但在此之前发现是非常困难的，运行是非常困难的，到达正确的路径是困难的。 |
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| 45. | move about, move back and forth. |
| 走来走去，来回移动。 |
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| 46. | exploratory run |
| 探索性运行 |
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| 47. | 3、 屏蔽层在零序工作状态下的电抗值低，有利于新型短路自动保护设备的应用，有利于电缆及其相关设备的安全运行。 |
| The reactance of the shield in the zero sequence state is low, which is helpful for the application of new type automatic protecting equipment with short circuit, and the safe running of the cable and other relative equipment. |
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| 48. | trouble-free operation |
| 无干扰运行;连续工作;顺利运行 |
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| 49. | Advisory Committee for Operational Hydrology |
| 运行水文学咨询委员会（运行水文咨委会） |
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| 50. | full circulating operation |
| 大循环运行 |
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