One of Dad's favourite inventions was the alarm fork.It's supposed to help people eat more slowly.The alarm fork looks like a regular fork except it has two lights on the handle that work like a traffic signal.When the fork's green light is lit,you can take a bite of your food.Whe...
Light rail is the successor term to streetcar,trolley and tram in many locales,although the term is most consistently applied to modern tram or trolley operations employing features more generally associated with metro or subway operations,including exclusive rights-of-way,multiple unit train configurati...
Modifications and variations are possible in light of the above teachings or may be acquired from practice of various embodiments. 1. A terrain mapping system for a vehicle, the system comprising: a processor; a sensor system coupled to the processor for collecting three-dimensional terrain ...
h. a database useful in air traffic control, such as a display of an airspace around an airport, to permit air traffic controllers to view representations of aircraft to assist in scheduling and collision avoidance; i. a database useful for military situation displays, similar to the displays...
城市轨道交通专业英语Unit Three.docx,Text A Light RailLight rail or light rail transit(LET) is a particular class of urban and suburban passenger railway that uses equipment and infrastructure that is generally less massive than that used for rapid trans
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