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单词 multiple-aspect
释义

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multiple-aspect
multiple-aspect adj. Railways designating a colour-light railway signal capable of displaying at least three aspects.
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society > travel > rail travel > railway system or organization > [adjective] > types of signalling
block signalling1864
multiple-aspect1932
1932 Proc. Inst. Railway Signal Engin. i. 57 (heading) Railway colour light signalling in relation to manual block and multiple aspect signals.
1963 G. M. Kichenside & A. R. Williams Brit. Railway Signalling iii. 25 In colour-light areas..every multiple-aspect signal serves as a distant, home and starting signal at the same time.
1991 Mod. Railways Apr. 182/2 The whole area is signalled with multiple-aspect signalling.
extracted from multiplen.adj.
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