| 单词 | equation of motions |
| 释义 | > as lemmasequation of motions The two chief kinds of equations are: (1) Those which contain symbols denoting one or more unknown quantities; to discover the numerical values of these is called ‘solving’ the equation; the numbers which will ‘satisfy’ an equation, i.e. which may be substituted for the symbol of unknown quantity without rendering the statement incorrect, are called its ‘roots’. (2) Those which indicate a constant relation existing between variables; as equation to a curve, an equation expressing a relation between coordinates or the like, which is constant for every point in the curve; equation of motions, etc. Equations are distinguished as simple, quadratic, cubic, biquadratic, etc. (or as of the 1st, 2nd, 3rd, 4th, etc. degree) according to the highest power which they contain of any unknown or variable.extracted from equationn.< as lemmas |
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