Maglev trains are comparable to airplanes in revolutionizing the transportation.

游客2023-09-17  33

问题 Maglev trains are comparable to airplanes in revolutionizing the transportation. [br] The Inductrack Ⅱ design can produce a very strong magnetic field even when the train runs more slowly by ______.

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答案 incorporating two Halbach arrays

解析 第2个小标题Electrodynamic Suspension(EDS)部分的第6段最后一句:The Inductrack Ⅱdesign incorporates two Halbach arrays to generate a stronger magnetic field at lower speeds.空白处需要名词性成分。原文是先方式再目的,而本题却是先表述结果,考查的是方式,而且因为by是介词,故需把原文中的动词incorporates改成动名词形式,答案为incorporating two Halbach arrays。
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