2. 外语
  3. Maglev trains are comparable to airplanes in revolutionizing the transportation. The Inductrack Ⅱ design can produce a very str

Maglev trains are comparable to airplanes in revolutionizing the transportation. The Inductrack Ⅱ design can produce a very str

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