... bubble quadrant 汽泡水准测角仪... quadrant iron 扇形钢材,方钢... quadrant electrometer 象限静电计 ...
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... quadrant象限、象限仪、四分仪、扇形体 quadrant iron方钢 quadrate正方形、四等份 ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
The experiment result proves rationality of the experiment console that has been designed, including blending magnetic iron, IV quadrant chopper.
经试验，验证了已有实验台设计的合理性，包括验证混合磁铁设计、四象限斩波器设计和控制电路设计的合理性。
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