| 单词 | telephone exchange |
| 释义 | > as lemmastelephone exchange telephone exchange n. a central office or other location where connections between telephone lines are made (originally by a switchboard operator, now usually automatically) so that calls reach their intended recipient; a switchboard or other device used for this purpose. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > exchange telephone exchange1878 local exchange1879 call office1882 central1883 exchange1887 private branch exchange1904 PBX1914 zone centre1934 1878 Alton (Illinois) Daily Tel. 29 Apr. St Louis has a telephone exchange at 417 Olive street. 1928 Daily Tel. 6 Mar. 6/3 Bishopsgate automatic telephone exchange..came into operation at midnight on Saturday with the transfer of 1,400 subscribers from the manual system. 1960 M. B. R. Cawkell et al. Falkland Islands viii. 93 Improved sanitation and street lighting, main drainage and a telephone exchange. 2014 Guardian 31 July 26/4 BT's fibre to the remote node..system brings fibre-optic cables from the local telephone exchange to the street. < as lemmas |
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