The image was supposed to be in medieval times, so modern structures like electric poles were prohibited.
该图像被认为是在中世纪时期,比如电线杆等现代建筑被禁止。
A new organic battery which USES a conductive polymer as the material for electric poles has been recently developed.
用导电聚合物作电极材料而制成的塑料电池,是近年来研制成功的一种新型蓄电池。
The first metal base and the second metal base connect with the two electric poles of the outer electric power by electricity respectively.
第一和第二金属基座将分别与外界电源的两个电极电联接。
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