| 单词 | private line |
| 释义 | > as lemmasprivate line private line n. Telephony and Telegraphy (a) a line that is permanently for the exclusive use of the subscriber or that is not connected to a public network; (b) = private wire n. (b). ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telephony > [noun] > line > types of private line1852 outside line1861 firewire1883 party line1893 order wire1912 tie-line1923 open line1941 hotline1954 society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > exchange > exchange equipment private line1852 bank1884 call-disc1884 howler1886 trunk1889 multiple switchboard1891 rack1893 line switch1898 heat coil1900 relay rack1902 multiple1905 listening key1906 telharmonium1906 wiper1906 preselector1912 line finder1922 rank1924 routiner1928 keysender1929 uniselector1930 wiper arm1933 1852Private lines [see sense A. 8a]. 1885 List of Subscribers Exchange Syst. (United Telephone Co.) (ed. 6) p. vii The Charge for Private Lines is at a fixed annual rental, payable in advance, varying with the situation and the distance apart of the points connected. 1927 C. W. Wilman Man. Automatic Telephony vi. 55 This wire is comparable with the test wire in a manual system inasmuch as it indicates whether a particular line is free or busy... It is..known as the private line (because it prevents intrusion on a busy trunk). 1942 A. Christie Body in Libr. vi. 59 I had a private line put in connecting my bedroom with my office. 1993 Macworld Dec. 189/1 Dial-up routers let users connect LANs over the wide area using switched services instead of costly private lines. < as lemmas |
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