- semaphore signalling
- 旗语信号(法)
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
semaphore signalling
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Semaphore line — This article is about the communication system using towers with pivoting shutters. For other uses, see Semaphore (disambiguation). For the now closed railway in Adelaide, Australia, see Semaphore railway line, Adelaide. A Chappe telegraph at… … Wikipedia
Signalling block system — Signalling block systems enable the safe and efficient operation of railways, so as to avoid collisions between trains. Block systems are used to control trains between stations and yards, and not normally within them. Any block system is defined … Wikipedia
semaphore — ► NOUN 1) a system of sending messages by holding the arms or two flags or poles in certain positions according to an alphabetic code. 2) an apparatus for signalling in this way, consisting of an upright with movable parts. ► VERB ▪ send by… … English terms dictionary
semaphore — noun 1》 a system of sending messages by holding the arms or two flags or poles in certain positions according to an alphabetic code. 2》 an apparatus for signalling in this way, consisting of an upright with movable parts. verb send by semaphore… … English new terms dictionary
semaphore — /ˈsɛməfɔ / (say semuhfaw) noun 1. an apparatus for conveying information by means of signals. 2. a system of signalling by hand, in which a flag is held in each hand at arm s length in various positions. –verb (semaphored, semaphoring) –verb (t)… …
semaphore — n. & v. n. 1 Mil. etc. a system of sending messages by holding the arms or two flags in certain positions according to an alphabetic code. 2 a signalling apparatus consisting of a post with a movable arm or arms, lanterns, etc., for use (esp. on… … Useful english dictionary
Australian railway signalling — Just as the railways of Australia has suffered issues from incompatible rail gauges, the different states have tended to go their own way regarding railway signalling practice.New South WalesThe signalling system in New South Wales consists… … Wikipedia
Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… … Wikipedia
UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… … Wikipedia
Flag semaphore — is a system for conveying information at a distance by means of visual signals with hand held flags, rods, disks, paddles, or occasionally bare or gloved hands. Information is encoded by the position of the flags; it is read when the flag is in a … Wikipedia
Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… … Wikipedia
