The motorist stopped his car at the traffic lights. 汽车司机在交通指挥灯前停下了车。 "absolute principle, top priority" 硬道理 We are scheming out a new method of traffic control. 我们正在拟订新的交通管理办法。 "absolute principle, top priority" ...
The invention relates to an air traffic control indicator, in the housing a plurality of LEDs to form a Lichtabstrahebene and a central axis perpendicular thereto are arranged circumferentially annular. Between the lighting means, at least one heat sink is arranged with an extension substantially ...
所以答案是: FALSEQuestion 21: Air Traffic Control started after the Grand Canyon crash in 1956.Paragraph B, “Rudimentary air traffic control (ATC) existed well before the Grand Canyon disaster.” 所以答案是: FALSEQuestion 22: Beacons and flashing lights are still used by ATC today. B段有讲,...
The invention relates to an air traffic control indicator, in the housing a plurality of LEDs to form a Lichtabstrahebene and a central axis perpendicular thereto are arranged circumferentially annular. Between the lighting means, at least one heat sink is arranged with an extension substantially ...
And in the air ' traffic lights ' to control traffic. 翻译结果4复制译文编辑译文朗读译文返回顶部 And in the air and there is a 'traffic light' and control traffic. 翻译结果5复制译文编辑译文朗读译文返回顶部 And in airborne also has ' traffic light ', the control transportation. ...
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B Rudimentary air traffic control (ATC) existed well before the Grand Canyon disaster. As early as the 1920s, the earliest air traffic controllers manually guided aircraft in the vicinity of the airports, using lights and flags, while beacons and flashing lights were placed along cross-country ...
对应原文:B段:while beacons and flashing lights were placed along cross-country routes to establish the earliest airways 答案解析:原文中确实提到早期的时候,信标和闪光灯被放置在跨国路线上以确实最早的航线。至于这种方法有没有延续下来,现在是否仍在使用则没有提及。由此确定答案为NOT GIVEN。
The tether line of unmanned captive balloons (unbemannte Fesselballone) as well as kites has to be marked every 100m with red and white flags at daytime and with red and white lights at night, in order to be visible for the pilots of other aircraft. ...
BRudimentary air traffic control (ATC) existed well before the Grand Canyon disaster.As early as the 1920s, the earliest air traffic controllers manually guided aircraft in the vicinity of the airports, using lights and flags, while beacons and flashing lights were placed along cross-country route...