| 释义 |
▪ I. clocking, n.2
Brit. |ˈklɒkɪŋ|, U.S. |ˈklɑkɪŋ|
[‹ clock v.1 + -ing suffix1.]
1. Campanol. The practice of sounding a stationary bell by pulling a rope attached to its clapper; clappering. Now rare.
1872J. T. Fowler Bells, Sacristy ii. 37 ‘Clocking’ ought to be put a stop to everywhere, and never allowed. 1901H. E. Bulwer Gloss. Techn. Terms Bells & Ringing 37 Clocking, the objectionable practice..of hitching the bell rope or a separate cord round the ‘flight’ of the ‘clapper’, while the bell is at rest, in order to pull the ‘clapper’ against the bell, with the frequent result of cracking the latter. 1989Encycl. Brit. II. 70/2 A secondary role is the human play of simple unharmonized melodies. From the 13th century this was done manually by pulling ropes attached to clappers (‘clocking’, now rare).
2. Sport. The time taken to cover a certain distance or complete a race, as measured by a clock or stopwatch.
1888Athenæum 29 Sept. 412/3 Weatherby's ‘Racing Calendar’..sets forth uncompromisingly that ‘this race was run in 1 minute 4 seconds and a half’... In ‘Baily's Racing Register’ nothing at all is said (very judiciously) about this extraordinary clocking. 1935W. Faulkner Pylon 29 And here is the official clocking of the winners of the two hundred cubic inch race which you just witnessed. 1976Horse & Hound 10 Dec. 39/1 He set a new track record for 5½ furlongs at Hialeah Park with a clocking of 62.8 seconds. 1996Sports Illustr. 24 June 48 Gwen Torrence..cruised through the 100 meters, overtaking the defending Olympic gold medalist in the event, Gail Devers, to win in 10.82. That matched her personal best and was the year's fastest clocking.
3. Electronics and Computing. The action or result of setting a circuit or device, esp. a CPU, to run at a particular rate using a repetitive timing signal.
1964Microelectronics & Reliability 3 82/2 ENIAC had a clocking arrangement where each decimal digit was represented by a pulse. 1969IEEE Trans. on Computers 18 3207 The requisite clocking is provided by the input variable changes. 1998What Hi-Fi? May 82/1 Pink also uses its own clocking system from drive to DAC, to ensure a reasonably jitter-free passage of the signal. 2002Electronic Engin. News (Nexis) 14 Oct. 43 The changes in the clocking mechanism and the I/O scheme make for a DRAM that is better suited for point-to-point links to a graphic controller.
4. Brit. colloq. The practice of turning back the odometer of a vehicle so that it registers a falsely low mileage. Cf. clock v.1
Chiefly with reference to the second-hand car trade.
1974Daily Tel. 2 Feb. 2 A ‘money back’ indemnity to protect used car buyers against ‘clocking’—the trade term for winding back mileage readings on speedometers—is to be introduced next month by a major car auction group. 1984Which? Jan. 37/2 Once cars are of this age, mileage becomes rather an unreliable guide—not least because ‘clocking’..is a far too common (albeit illegal) practice. 1994BBC Top Gear Mag. Aug. 27/2 In the US they have legislation which has all but prevented clocking—The Truth of Mileage Act—and carries heavy penalties.
▪ II. clocking, a.2 Electronics and Computing.
Brit. |ˈklɒkɪŋ|, U.S. |ˈklɑkɪŋ|
[‹ clock v.1 + -ing suffix2.]
That synchronizes or activates something by means of a repetitive timing signal; spec. that sets a circuit or device, esp. a CPU, to run at a particular rate.
1948Proc. Symp. Large-scale Digital Calculating Machinery 1947 105 The pulses then proceed through an inverter tube to the clocking or synchronizing gate tube. 1958Nucl. Instruments 2 141/2 The three-phase clocking pulses are shown. 1977Science 18 Mar. 1217 To change to the time delay it is only necessary to change the time period..of the external clocking waveforms. 1988Science 23 Dec. 1651/1 (caption) Schematic representation of the bimolecular reaction... The clocking pulse, which sets the zero-of-time, breaks the HI bond and produces H atoms. 2001Nucl. Instruments & Methods Physics Res. A 466147/2 Since the CCD readout ‘wiring’ for clocking pulses, etc. is laid out on the CCD surface, it makes devices very susceptible to radiation damage.
▪ III. clocking, vbl. n.|ˈklɒkɪŋ|
[f. clock v.2]
1. The action of the vb. clock; the noise made by a brooding hen; brooding, hatching (Sc.).
c1440Promp. Parv. 83 Clokkynge, of hennys, crispiatus. 1529More Comf. agst. Trib. ii. Wks. 1179/2 Those chikins of hys [God's] y⊇..wyl not come at his clokkyng. 1616Surfl. & Markh. C. Farme 68 A young Henne which falleth to clocking. 1883Blackw. Mag. Aug. 193 With their clocking chimed in the distant bleating of the lambs.
2. Comb., clocking-time, Sc., hatching-time.
1784Burns Ep. Rankine x, As soon 's the clocking-time is by, And the wee pouts begun to cry.
▪ IV. clocking, ppl. a.|ˈklɒkɪŋ|
[f. as prec. + -ing2.]
That clocks; in clocking hen: a. a clucking hen; a hen sitting on eggs.
1552Huloet, Clockynge henne, singultiens gallina. 1720Gay Poems (1745) I. 93 Let..The clocking hen make friendship with the kite. 1824S. E. Ferrier Inher. xvi, Lord R., sitting..watching the tea-pot, like a clocking-hen.
b. A West Indian species of Rail: see clucking-hen.
1703W. Dampier Voy. III. ii. 74 Clocking-Hens are much like the Crab-catchers..They keep..in swampy wet places. |