单词 | simple machine |
释义 | > as lemmassimple machine simple machine n. any of various basic machines which apply a single force against a load, esp. any of the six mechanical powers that during the Renaissance were thought to constitute the basic mechanical devices from which all other machines are composed (see power n.1 13). ΚΠ 1702 tr. J. Ozanam Math. Dict. App. 15 We have given you the Definitions and Descriptions of the six Principles of Mechanicks, or the six simple Machines under their respective Letters. 1841 W. Whewell Mech. Engin. i. 2 Simple machines are those which consist of one or two pieces. Those which consist of more are compound machines. 2015 J. O. E. Clark Basics Mech. (new ed.) xi. 57 A slope is called an inclined plane, and it is another example of a simple machine that provides a mechanical advantage. < as lemmas |
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