Magnetic lines of force do exist though invisible.

磁力线虽然看不见,但确实存在.

辞典例句

On Uranus, the magnetic line is almost eight - thousand kilometers off - center.

而在天王星上, 磁力线偏离地心将近800公里.

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You have chosen the wrong direction of the magnetic line of force.

你把磁力线的方向弄反了.

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A magnetic flux - switching hybrid - excitation reluctance motor is presented.

提出了一种磁力线开关型混合 励磁磁 阻电机方案.

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Once completely cooled, the rocks retain their orientation and are no longer susceptible to magnetism.

一旦岩石完全冷却下来, 岩石保持了它们的原有方向不再受磁力线影响.

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High in the polar regions, the lines of magnetic force point almost straight upwards.

在极地的高空, 磁力线几乎是垂直指向上方.

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It is the key that how to make more line pass through the damp routeway.

如何使尽可能多的磁力线通过阻尼通道是磁流变减震器设计的关键.

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Circular lines of flux continuously descend into the North Pole and emerge from the South Pole.

循环的磁力线持续地沉降于北极而从南极出现.

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