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- Resistors R1 and R2 limit the current, and diode D1 protects the optoisolator from reverse-polarity voltages during the negative half of the line cycle. 在线循环的负半周期，电阻R1和R2限流，二极管D1保护光绝缘体远离负极性电压。
- Converts the negative half wave of an alternating current into a positive half wave. 把负极半波交流电转变成正极半波交流电。
- The AVR performs this function by controlling the duration of the current through the inductor on each half cycle via the thyristors. AVR通过晶闸管来控制每半个周波中流过电感器电流的持续时间来执行此功能。
- The combustor length had significant influence on the maximum half cycle and a longer length permitted a larger half cycle. 燃烧器的长度对最大半周期有显著的影响。增大燃烧器的长度将导致较大的最大半周期。
- AC square-wave arc welding-its positive and negative half perimeter width can be adjusted and selected the best value SP, It can weld the alloy and alum etc in high quality. 交流方波氩弧焊，其正负半周宽度可调，可选择最佳SP比值，可高质量焊接铝合金、铝。
- Then, the controlling section 31 fixedly supplies the computed control quantity to a driver circuit 17 in a following half cycle of the alternate current power source voltage. 然后，控制部(31)将计算出的控制量在交流电源电压的下一半周期中固定地提供给驱动电路(17)。
- AC squarewave arc weldingits positive and negative half perimeter width can be adjusted and selected the best value SP, It can weld the alloy and alum etc in high quality . 交流方波氩弧焊，其正负半周宽度可调，可选择最佳SP比值，可高质量焊接铝合金、铝。
- On P4 half cycles are possible due to the double-clocked ALU. 由于双时钟的ALU,因此在P4上可能有半个时钟周期。
- The distribution of advantaged reservoir is closely related to their position in the sequence and mainly developed at the half cycle of increasing and the early of the descending base level cycle. 有利储集相带主要分布于基准面上升期和下降期的早期。
- single-phase three-stage half cycle SPWM 单相三阶半周SPWM
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- I worried half the night and have a fitful sleep. 我半个晚上都一直在担心，故而时醒时睡。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- He can fling off a poem in half an hour. 他可以在半小时之内草就一首诗。
- It took him half an hour to finish the work. 他花了半个小时做完这项工作。
