| 释义 |
ˈhigh-speed, a.
[high a. 22 a.]
a. Able or fitted to work or travel at high speed.
b. Produced by swift processes or machinery.
c. Produced or caused by, or during, high speed.
high-speed steel, an alloy steel of such toughness and hardness that it can be used for tools cutting so rapidly as to become red-hot.
1873J. Richards Wood-working Factories 63 High-speed loose pulleys. 1888Lockwood's Dict. Mech. Engin. s.v., High-speed engines may be considered to embrace any engines making over 200 to 300 revolutions per minute... High-speed belting applies to belts for fans, wood-working machinery, centrifugal pumps, &c., in opposition to those for line and counter, and other slowly driving shafts. High speed bearings, bearings whose length exceeds their diameter by from four to six times. 1898Daily News 1 Oct. 2/8 A high-speed destroyer. 1904Chambers's Jrnl. 142/1 High-speed tool-steel lathes. 1908Daily Chron. 6 Feb. 3/1 The crude truths that we look for only in the high-speed camera. 1909Westm. Gaz. 11 Mar. 4/2 The high-speed flier of the future. 1912Chambers's Jrnl. June 367/1 Their [sc. British makers'] introduction of high-speed steel in 1900. 1920J. L. Myres in H. G. Wells Outl. Hist. v. xxvii. 249/1 The bow..discharges a high-speed arrow with a twang. 1926Jrnl. Iron & Steel Inst. CXIII. 307 High-speed steels are well known to be very complex alloys, a fact readily grasped when it is considered that even simple types contain elements such as tungsten, chromium, and vanadium, in addition to those usually found in plain steels. 1943T. Horsley Find, Fix & Strike 20 He can concentrate on hitting his target..in the sure knowledge that he's virtually safe from a high-speed stall. 1943Sci. News VII. 29 The dynamics of high-speed flow. 1950Gloss. Aeronaut. Terms (B.S.I.) i. 29 High-speed wind tunnel. 1952This Week 1 June 8/1 A second danger on the superhighways is something called ‘high-speed hypnosis’—a trance-like state induced by mile after mile of effortless driving. 1954Webster Add. p. cxiii/2 Skiing, High-speed turn. 1956A. H. Compton Atomic Quest 86 The action of high-speed neutrons moving through uranium 235 and plutonium. 1957Technology Mar. 3/2 A complete set of all equipment likely to be of use in research from high-speed and time-lapse cameras down to X-ray cinematographic equipment for biological work. 1960Cooke & Markus Electronics & Nucleonics Dict. 211/2 High-speed carry, a carry that bypasses the normal adding circuit in a computer. 1964S. Crawford Basic Engin. Processes iv. 104 High-speed steel, fully heat treated. An alloy steel containing tungsten.., with small percentages of chromium, vanadium and cobalt. 1967Technology Week 23 Jan. 11/1 (Advt.), Sigma 5..does foreground real-time control..and high-speed input/output. 1969Times 5 Feb. 13/6 The tracks are recorded by taking high-speed photographs. 1972J. Eastwood Henry in Silver Frame ix. 95 The dentist's high-speed drill. |