| 释义 |
surfacing, vbl. n.|ˈsɜːfəsɪŋ|
[f. surface v. + -ing1.]
1. The action or process of giving a (smooth or even) surface to something; concr. the coating with which a body (spec. a road) is surfaced.
1859F. A. Griffiths Artil. Man. (1862) 205 The surfacing [of the copper rings in an Armstrong gun] should be performed after every 100 rounds. 1882Garden 18 Mar. 186/1 Walks..should..have received surfacings of fresh gravel. 1890Science-Gossip XXVI. 89 Mr. S. E. Peal..sends a copy of his paper, ‘A Theory of Lunar Surfacing by Glaciation.’ 1897Catal. Maiolica Ashm. Mus. Oxf. 4 Certain of the Greek, Etruscan, and Roman..wares, on which a thin surfacing or semi-glazing seems to have been applied. 1908C. E. Morrison Highway Engin. iii. 46 Gravel roads seem to occupy an intermediate place between those of earth and broken stone, in the tractive force required, character of surfacing, and cost of construction. 1937Times 13 Apr. p. iii/2 Much that can make for safety lies in the expert designing, surfacing and lighting of the highways. 1954Gloss. Highway Engin. Terms (B.S.I.) 31 Surfacing, the top layer or layers, comprising the wearing course and/or base course but not the base.
attrib.1846Holtzapffel Turning II. 477 The ordinary surfacing planes. 1869Rankine Machine & Hand-tools Pl. H 7, A sliding and surfacing motion. 1873J. Richards Wood-working Factories 131 The under cylinder of a double surfacing machine.
2. Mining for gold, etc. by washing the surface deposit; concr. the deposit so treated.
1853E. Clacy Lady's Visit to Gold Diggings Austral. vi. 85 The riches of Peg Leg Gully were brought to light through the surfacing of three men with wooden legs, who were unable to sink a hole in the regular way. 1861T. M'Combie Australian Sk. 133 What is termed ‘surfacing’ consists of simply washing the soil on the surface of the ground, which is occasionally auriferous. 1890‘R. Boldrewood’ Miner's Right xv, It seems they have been mopping up some rich surfacing.
3. Of a submarine: rising to the surface of the water. Also fig. Cf. surface v. 4 a.
1922Glasgow Herald 27 Apr. 7 Submarine H 42 rose to the surface some 30 yards right ahead of the Versatile... The reason for her surfacing was not known. 1958Times 18 Dec. 11/4 Surfacing is an effective word to indicate those friends who suddenly appear on the doorstep after touch has been lost with them for months. 1970Wall St. Jrnl. 6 Nov. 1/1 The surfacing of high-school students' demands is relatively recent in its own right. |