| 释义 |
ˈslide-rule
Also slide rule.
[f. slide v.]
A sliding rule. spec. A device whereby multiplication and division, and sometimes other mathematical operations, may be performed with speed but limited accuracy, consisting essentially of two rules marked with logarithmic scales and capable of being slid along one another, and usually also a transparent cursor marked with a line crossing the scales, so that a required result may be obtained by inspection after proper movement of these. Also fig.
This, not sliding rule, is now the usual name.
1663Pepys Diary 14 Apr., I walked to Greenwich, studying the slide rule for measuring of timber. 1838Civil Eng. & Arch. Jrnl. I. 122/1 To assist in facilitating the use of the slide rule among working mechanics. 1876Handbk. Scientif. Appar. 30 The slide rule,—an apparatus for effecting multiplications and divisions by means of a logarithmic scale. 1890Engineering News 20 Dec. 543 In France the slide rule is seen on the desk of almost every manufacturer, miller or engineer. 1930Engineering 31 Jan. 131/3 A special form of slide rule..for the purpose of simplifying calculations relating to structures of reinforced concrete. 1958Times Lit. Suppl. 10 Jan. 19/1 They bring out their slide-rule at the sight of a signature, and then, by nice calculation, decide whether there has been any sense in the prose equations which precede it. 1974Encycl. Brit. Macropædia XI. 653/2 The first known slide rule in which the slide worked between parts of a fixed stock was made by Robert Bissaker of Great Britain in 1654. Ibid., Amédée Mannheim, an officer of the French artillery, invented in 1859 what may be considered the first of the modern slide rules... This rule..brought into general use a cursor. 1976Nichols & Armstrong Workers Divided 68 Workers were incensed by the efforts of a new manager to run their plant flat out all the time: ‘You have to have a real feel for the plant not just be all slide-rule like him.’
attrib.1891Anthony's Photogr. Bulletin IV. 209 The system of circular slide rule calculators. 1958Listener 11 Sept. 375/1 Towards the end of the war many of the operations of war, especially those concerned with aircraft, were kept under close scientific scrutiny and control. This was the era of the so-called slide-rule strategy. |