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發表於 5-5-2012 21:55:35
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最後出場既係....需然佢地唔載客，但要令整個系統成功運行，佢地係不可或缺
922系10番台同923系 Docto ...
巴武藏 發表於 5-5-2012 08:35 PM 
First time heard about it and that's why I need to search Wiki .......... thank you ....... :71:
Doctor Yellow (ドクターイエロー?) is the nickname for the high-speed test trains that are used on the Japanese Shinkansen ("Bullet Train") dedicated express passenger train routes. The trains have special equipment on board to monitor the condition of the track and overhead wire, including special instrumented bogies and observation blisters.[1]
The 'Doctor' part of the name is obvious from their test and diagnostic function, and the 'Yellow' part comes from the bright yellow color they are all painted. Some have a blue waistline stripe, some a green one. The original color scheme of yellow with a blue stripe (applied to the Class 921 track-recording cars) was created by reversing the colors (blue with yellow stripe) used on 1,067 mm (3 ft 6 in) narrow-gauge track-recording cars.
In build and appearance, they are very similar to production, passenger carrying Shinkansen trains, and line inspection is carried out at full line speed (i.e. up to 270 km/h/168 mph on the Tōkaidō Shinkansen). |
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樓主: elvischoi
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