并进一步对三种牵引动力作了技术经济比较。
Three types of traction power are further compared both economically and technically.
交流传动技术已成为当今世界上牵引动力高新技术的标志。
Technology of alternating transmission has became the milestone of new technology in the tractive power field around the world.
Richard Koo说随着资产负债表的日渐衰落，大胆的财政政策将是唯一可能的牵引动力。
With balance sheets impaired, Mr Koo says, bold fiscal policy is the only tool that will have any traction.
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