block system
A village in the Metropolitan Borough of Leeds, West Yorkshire, England (OS grid ref SE2036). / A habitational surname from Old English.
Third-person singular simple present indicative form of dejargonize
(rail transport) On railways, a system by which the track is divided into sections of three or four miles, and trains are run by the guidance of electric signals so that no train enters a section or block before the preceding train has left it.
Epinephelus itajara (Atlantic goliath grouper, spotted jewfish) / Johnius australis (bottlenose jewfish) / Lateolabrax japonicus (Japanese seabass)
技術者たちは安全性を高めるために自動閉塞方式を改良し、前の列車が区間を離れるまで後続の列車がその区間に入らないようにした。
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