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61. | This answer is correct to the last cent, you have cut it very fine. |
| 答案完全正确;你计算得十分准确。 |
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62. | To correct this flicker, answer the following questions: |
| 在不同的国家,日光灯的运行频率都不同。如果照相机没有跟日光灯同步,图像可能会闪烁不定。要纠正这个现象,请回答下列问题: |
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63. | adscititious tandem on-load-tap-changing one is the important mode.About this question readers can get a correct |
| 通过基本定义和有关名牌值进行了计算和分析,认为在正负极限档,外加串联调压变的阻抗值相对额定档的偏差很小,所以可不必在意这种变压器整体阻抗的偏差值。 |
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