单词 | rpm |
释义 | > as lemmasRPM RPM n. (also r.p.m.) resale (also retail) price maintenance. ΘΚΠ society > trade and finance > monetary value > price > pricing > [noun] > price-fixing by manufacturers price fixing1889 resale price maintenance1914 retail price maintenance1914 RPM1951 1951 Winnipeg Free Press 20 Dec. 17/2 RPM has been operating for longer than the average consumer can remember. 1966 J. F. Pickering Resale Price Maintenance i. 15 In a number of trades r.p.m. was enforced privately through the mechanism of the relevant trade association. 2001 Leicester Mercury (Nexis) 15 May 18 The Community Pharmacy Action Group claims that getting rid of the RPM will signal the death knell for pharmacists which serve their communities. rpm rpm n. (also RPM) revolutions per minute. ΘΠ the world > movement > motion in specific manner > revolution or rotation > [noun] > speed of revolution rpm1878 1878 J. H. Cooper Treat. Use of Belting in Transmission of Power 24 [A belt] driving 140 horsepower from a drum of 9 feet diameter, and going at the speed of 130 Rpm. 1906 Trans. Inst. Engineers & Shipbuilders Scotl. 49 30 Especially should this be done in cases where..the weight increases more rapidly in inverse proportion to the r.p.m. and the diameter than it does with other types. 1966 R. Thomas Spy in Vodka (1967) xix. 218 The engine was responding nicely..and I was estimating the rpm's needed for the next bend. 1991 Independent 5 Jan. 29/1 When Wagner's Mastersingers of Nuremberg first came out on record, in 1951, the happy purchaser needed a van to help him take the 34 78-rpm discs home. < as lemmas |
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