这种地极的互换和一根杆比另一根杆短的物理记录是矛盾的。
This reversal of the roles is incompatible with our physical record that one meter stick is shorter than the other.
在撞毁这间卧室之前，爱德华兹已经撞坏了一根路灯杆和一个交通岗亭。
Before hitting the house, Edwards hit a light pole and a traffic control box.
由一根绝缘杆同时开动的三个移动触点断开和连接电路。
Three movable contacts, actuated simultaneously by an insulated rod, open and close the circuit.
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