| 释义 |
ˈsubstation
[sub- 7 d.]
1. A building or establishment subordinate to a principal station or office.
1881Rep. Indian Affairs (U.S.) 45 The temporary establishing of two substations for the police..resulted in the locking up of the offenders. 1891Advance (Chicago) 12 Mar., Substations at convenient distances for the issuance of rations. 1933Jrnl. R. Hort. Soc. LVIII. 162 Only two varieties have been recommended for extended trial at the sub-stations. 1982‘M. Hebden’ Pel & Bombers ii. 12 The sous⁓brigadier who ran the substation at St. Blaize.
2. A station at which electrical current is switched, transformed, or converted, intermediate in rank between a generating station and a low-tension distribution network.
1901Scotsman 2 Mar. 12/5 Continuous current distribution from sub-stations. 1933Archit. Rev. LXXIII. 2 The scheme of building included..a university sub-station for electric power which supplies the laboratories. 1968[see feeder 10 a]. 1976P. R. White Planning for Public Transport viii. 162 Substation costs were greatly reduced, and more powerful locomotives permitted.
3. Telephony. (See quots.)
1922W. Aitken Automatic Telephone Systems I. 3 We have, therefore, a sub-station at the subscriber's office, which may consist of one, or a plurality of direct lines, or a small switchboard. 1940Chambers's Tech. Dict. 818/1 Sub-station or subscriber's station (Teleph.), a subscriber's telephone located on his premises. |