推进方法
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free self-propulsion method 自由自推进法 ; 自由自航法
Ship propulsion method 船舶推进方法
model propulsion point method 船模自航点试验法
Propulsion construction method 顶推施工法
propulsion method
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Maglev technology has been around for years as the propulsion method behind certain European and Asian trains, and basically involves using the Physics 101 properties of magnetic attraction and repulsion to provide an object with momentum.
ENGADGET: Maglev elevators to scare us all by 2008
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