2009年职称英语教材概括大意新增部分(理工类)

　　词汇：

　　Levitate v. 悬浮 electrified v. 使带电

　　Levitation n. 悬浮 magnetize v. 使带磁

　　guideway n. 导向槽 line v.排列成行

　　propelb vt. 推进 underside n.下侧，下面

　　propulsion n. 推进 undercarriage n. 车盘

　　注释:

　　1. Maglev is short for magnetic levitation :maglev 是 magnetic levitation 的缩略词。

　　2. opposite poles attract and like poles repel each other: 异极相吸，同极相斥

　　3. AA-cell battery:5号电池

　　4. at least not the kind of engine used to pull typical train cars along steel tracks: 至少不是沿着轨道拉动典型的火车车厢的那种发动机。

　　5. the magnetic field created by the electrified coils in the guideway walls and the track combine to propel the train: 由嵌入导向壁内的电磁线圈产生的磁场加上轨道，一起推动火车前进。The magnetic field 和 the track 是句子主语，created by the electrified coils in the guideway walls 是过去分词短语，用作定语，修饰the magnetic field.

　　练习:

　　1. Paragraph 3

　　2. Paragraph 4

　　3. Paragraph 5

　　A The Main Components of the Maglev Train System

　　B High-speed Maglev due to Zero Friction

　　C The Working Principle of the Maglev Train

　　D Differences between Polarity and Magnetic Field

　　E Comparison of Maglev Trains with Traditional Ones

　　F Maglev with a Powerful Motor

　　4. Paragraph 6

　　5. Several countries in the world are using strong electromagnets

　　6. You can connect a wire to the positive and negative ends of a battery 　　　　.

　　7. A unique system of magnetic fields is created by the coils

　　8. The frictionless maglev train enables you

　　A to develop a maglev train rail system

　　B To explain why maglev trains are faster

　　C to pull and push the train forward

　　D to create a magnetic field

　　E to experiment with the maglev train

　　F to travel from Paris to Rome in about two hours